1 - PACE IIT & Medical Best coaching classes for IIT, JEE ... · about which the moment of inertia...
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~OPONDER
Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
I tiext =0 be satisfiedforanychoice of axis
Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
~~~llilvetlie TIe velocitYastheQ~qter0fm~~11f $0 whicho9~sect -
- Q6 ItflJigidopj1ctmQveS with both traR~ili9Q ~drQtaJioQ about an axis with a fixed9QeI1taliop((or gt sectj~JQUjpgWh~l)are ther~ any P9Ints within theobjectthatalways havethe sameYelciHYii$--fue
oftn~sIt so whichones
~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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Qi9 H()theangUlarvelocitiesofthehandsofamiddotwallclockporntiotothewall0foutofthewaUAt~-jwwt
-tHampelock is unplugged do theangularaccelerationsofthe handspoint intothewalloroutefthe wan
010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
whichcase ifanydoes string wind onto the yoshyyoand in which case ifany does the string wind off the yo-yo
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~OPONDER
Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
I tiext =0 be satisfiedforanychoice of axis
Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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oftn~sIt so whichones
~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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Qi9 H()theangUlarvelocitiesofthehandsofamiddotwallclockporntiotothewall0foutofthewaUAt~-jwwt
-tHampelock is unplugged do theangularaccelerationsofthe handspoint intothewalloroutefthe wan
010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
whichcase ifanydoes string wind onto the yoshyyoand in which case ifany does the string wind off the yo-yo
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~OPONDER
Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
I tiext =0 be satisfiedforanychoice of axis
Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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- Q6 ItflJigidopj1ctmQveS with both traR~ili9Q ~drQtaJioQ about an axis with a fixed9QeI1taliop((or gt sectj~JQUjpgWh~l)are ther~ any P9Ints within theobjectthatalways havethe sameYelciHYii$--fue
oftn~sIt so whichones
~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
i
Qi9 H()theangUlarvelocitiesofthehandsofamiddotwallclockporntiotothewall0foutofthewaUAt~-jwwt
-tHampelock is unplugged do theangularaccelerationsofthe handspoint intothewalloroutefthe wan
010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
=~~~l~f~iSU~~ QIJ~
Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
whichcase ifanydoes string wind onto the yoshyyoand in which case ifany does the string wind off the yo-yo
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~OPONDER
Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
I tiext =0 be satisfiedforanychoice of axis
Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
~~~llilvetlie TIe velocitYastheQ~qter0fm~~11f $0 whicho9~sect -
- Q6 ItflJigidopj1ctmQveS with both traR~ili9Q ~drQtaJioQ about an axis with a fixed9QeI1taliop((or gt sectj~JQUjpgWh~l)are ther~ any P9Ints within theobjectthatalways havethe sameYelciHYii$--fue
oftn~sIt so whichones
~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
i
Qi9 H()theangUlarvelocitiesofthehandsofamiddotwallclockporntiotothewall0foutofthewaUAt~-jwwt
-tHampelock is unplugged do theangularaccelerationsofthe handspoint intothewalloroutefthe wan
010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
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-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
I tiext =0 be satisfiedforanychoice of axis
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Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
whichcase ifanydoes string wind onto the yoshyyoand in which case ifany does the string wind off the yo-yo
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Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
I tiext =0 be satisfiedforanychoice of axis
Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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oftn~sIt so whichones
~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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Qi9 H()theangUlarvelocitiesofthehandsofamiddotwallclockporntiotothewall0foutofthewaUAt~-jwwt
-tHampelock is unplugged do theangularaccelerationsofthe handspoint intothewalloroutefthe wan
010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
whichcase ifanydoes string wind onto the yoshyyoand in which case ifany does the string wind off the yo-yo
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Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
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~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
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Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
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Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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Qi9 H()theangUlarvelocitiesofthehandsofamiddotwallclockporntiotothewall0foutofthewaUAt~-jwwt
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
whichcase ifanydoes string wind onto the yoshyyoand in which case ifany does the string wind off the yo-yo
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Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
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Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
whichcase ifanydoes string wind onto the yoshyyoand in which case ifany does the string wind off the yo-yo
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Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
I tiext =0 be satisfiedforanychoice of axis
Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
whichcase ifanydoes string wind onto the yoshyyoand in which case ifany does the string wind off the yo-yo
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Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
I tiext =0 be satisfiedforanychoice of axis
Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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Qi9 H()theangUlarvelocitiesofthehandsofamiddotwallclockporntiotothewall0foutofthewaUAt~-jwwt
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
whichcase ifanydoes string wind onto the yoshyyoand in which case ifany does the string wind off the yo-yo
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~OPONDER
Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
I tiext =0 be satisfiedforanychoice of axis
Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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- Q6 ItflJigidopj1ctmQveS with both traR~ili9Q ~drQtaJioQ about an axis with a fixed9QeI1taliop((or gt sectj~JQUjpgWh~l)are ther~ any P9Ints within theobjectthatalways havethe sameYelciHYii$--fue
oftn~sIt so whichones
~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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Qi9 H()theangUlarvelocitiesofthehandsofamiddotwallclockporntiotothewall0foutofthewaUAt~-jwwt
-tHampelock is unplugged do theangularaccelerationsofthe handspoint intothewalloroutefthe wan
010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
whichcase ifanydoes string wind onto the yoshyyoand in which case ifany does the string wind off the yo-yo
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Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
I tiext =0 be satisfiedforanychoice of axis
Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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oftn~sIt so whichones
~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
whichcase ifanydoes string wind onto the yoshyyoand in which case ifany does the string wind off the yo-yo
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~OPONDER
Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
I tiext =0 be satisfiedforanychoice of axis
Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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- Q6 ItflJigidopj1ctmQveS with both traR~ili9Q ~drQtaJioQ about an axis with a fixed9QeI1taliop((or gt sectj~JQUjpgWh~l)are ther~ any P9Ints within theobjectthatalways havethe sameYelciHYii$--fue
oftn~sIt so whichones
~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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-tHampelock is unplugged do theangularaccelerationsofthe handspoint intothewalloroutefthe wan
010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
whichcase ifanydoes string wind onto the yoshyyoand in which case ifany does the string wind off the yo-yo
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~OPONDER
Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
I tiext =0 be satisfiedforanychoice of axis
Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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oftn~sIt so whichones
~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
whichcase ifanydoes string wind onto the yoshyyoand in which case ifany does the string wind off the yo-yo
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Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
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Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
whichcase ifanydoes string wind onto the yoshyyoand in which case ifany does the string wind off the yo-yo
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Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
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Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
whichcase ifanydoes string wind onto the yoshyyoand in which case ifany does the string wind off the yo-yo
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Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
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Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
whichcase ifanydoes string wind onto the yoshyyoand in which case ifany does the string wind off the yo-yo
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Ql Shouldthere be anymatterat thecenter of gravityof anobject
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Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
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~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
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Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
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~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
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Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
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Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
whichcase ifanydoes string wind onto the yoshyyoand in which case ifany does the string wind off the yo-yo
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Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
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Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
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~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
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Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
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Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
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Ql Shouldthere be anymatterat thecenter of gravityof anobject
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Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
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Ql Shouldthere be anymatterat thecenter of gravityof anobject
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Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
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Ql Shouldthere be anymatterat thecenter of gravityof anobject
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Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
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Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
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Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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Qi9 H()theangUlarvelocitiesofthehandsofamiddotwallclockporntiotothewall0foutofthewaUAt~-jwwt
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
whichcase ifanydoes string wind onto the yoshyyoand in which case ifany does the string wind off the yo-yo
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Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
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~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
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Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
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~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
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Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
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~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
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Q3What is the path ofa particle in a rigid object rotating about a fixed axis
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
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Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
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Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
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Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
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~OPONDER
Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
I tiext =0 be satisfiedforanychoice of axis
Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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Qi9 H()theangUlarvelocitiesofthehandsofamiddotwallclockporntiotothewall0foutofthewaUAt~-jwwt
-tHampelock is unplugged do theangularaccelerationsofthe handspoint intothewalloroutefthe wan
010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
whichcase ifanydoes string wind onto the yoshyyoand in which case ifany does the string wind off the yo-yo
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Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
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Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
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Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
I tiext =0 be satisfiedforanychoice of axis
Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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Qi9 H()theangUlarvelocitiesofthehandsofamiddotwallclockporntiotothewall0foutofthewaUAt~-jwwt
-tHampelock is unplugged do theangularaccelerationsofthe handspoint intothewalloroutefthe wan
010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
whichcase ifanydoes string wind onto the yoshyyoand in which case ifany does the string wind off the yo-yo
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-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
I tiext =0 be satisfiedforanychoice of axis
Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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- Q6 ItflJigidopj1ctmQveS with both traR~ili9Q ~drQtaJioQ about an axis with a fixed9QeI1taliop((or gt sectj~JQUjpgWh~l)are ther~ any P9Ints within theobjectthatalways havethe sameYelciHYii$--fue
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Qi9 H()theangUlarvelocitiesofthehandsofamiddotwallclockporntiotothewall0foutofthewaUAt~-jwwt
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
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-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
I tiext =0 be satisfiedforanychoice of axis
Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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- Q6 ItflJigidopj1ctmQveS with both traR~ili9Q ~drQtaJioQ about an axis with a fixed9QeI1taliop((or gt sectj~JQUjpgWh~l)are ther~ any P9Ints within theobjectthatalways havethe sameYelciHYii$--fue
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-tHampelock is unplugged do theangularaccelerationsofthe handspoint intothewalloroutefthe wan
010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
- -lt bullbull
- -imiddotT__~~ -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
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Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
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Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
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Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
I tiext =0 be satisfiedforanychoice of axis
Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
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Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
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Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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- Q6 ItflJigidopj1ctmQveS with both traR~ili9Q ~drQtaJioQ about an axis with a fixed9QeI1taliop((or gt sectj~JQUjpgWh~l)are ther~ any P9Ints within theobjectthatalways havethe sameYelciHYii$--fue
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
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Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
I tiext =0 be satisfiedforanychoice of axis
Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
~~~llilvetlie TIe velocitYastheQ~qter0fm~~11f $0 whicho9~sect -
- Q6 ItflJigidopj1ctmQveS with both traR~ili9Q ~drQtaJioQ about an axis with a fixed9QeI1taliop((or gt sectj~JQUjpgWh~l)are ther~ any P9Ints within theobjectthatalways havethe sameYelciHYii$--fue
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Qi9 H()theangUlarvelocitiesofthehandsofamiddotwallclockporntiotothewall0foutofthewaUAt~-jwwt
-tHampelock is unplugged do theangularaccelerationsofthe handspoint intothewalloroutefthe wan
010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
- -lt bullbull
- -imiddotT__~~ -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
=~~~l~f~iSU~~ QIJ~
Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
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Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
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~OPONDER
Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
I tiext =0 be satisfiedforanychoice of axis
Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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- Q6 ItflJigidopj1ctmQveS with both traR~ili9Q ~drQtaJioQ about an axis with a fixed9QeI1taliop((or gt sectj~JQUjpgWh~l)are ther~ any P9Ints within theobjectthatalways havethe sameYelciHYii$--fue
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~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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Qi9 H()theangUlarvelocitiesofthehandsofamiddotwallclockporntiotothewall0foutofthewaUAt~-jwwt
-tHampelock is unplugged do theangularaccelerationsofthe handspoint intothewalloroutefthe wan
010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
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Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
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~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
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-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
I tiext =0 be satisfiedforanychoice of axis
Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
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Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
I tiext =0 be satisfiedforanychoice of axis
Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
~~~llilvetlie TIe velocitYastheQ~qter0fm~~11f $0 whicho9~sect -
- Q6 ItflJigidopj1ctmQveS with both traR~ili9Q ~drQtaJioQ about an axis with a fixed9QeI1taliop((or gt sectj~JQUjpgWh~l)are ther~ any P9Ints within theobjectthatalways havethe sameYelciHYii$--fue
oftn~sIt so whichones
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Qi9 H()theangUlarvelocitiesofthehandsofamiddotwallclockporntiotothewall0foutofthewaUAt~-jwwt
-tHampelock is unplugged do theangularaccelerationsofthe handspoint intothewalloroutefthe wan
010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
- -lt bullbull
- -imiddotT__~~ -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
=~~~l~f~iSU~~ QIJ~
Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
whichcase ifanydoes string wind onto the yoshyyoand in which case ifany does the string wind off the yo-yo
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Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
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Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
~~~t~~ tyen-i7sqb~jcentctro~g aboutafixedaxishas-nonzercangulaevelocityand angularaeelerationR~q~A ~t~ ~~as Illifrom theaXiwe61ationasptgtlticlJgtBWW1iS the ratio ofthoJollowng
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
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Q3What is the path ofa particle in a rigid object rotating about a fixed axis
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
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-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
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Q3What is the path ofa particle in a rigid object rotating about a fixed axis
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Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
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Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
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Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
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Q3What is the path ofa particle in a rigid object rotating about a fixed axis
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010 Aregr ismovingforwardandslowingdOWIl Is thedirection ofteangular velocityof thewheelstoward _nO -tii~iinvee~leftot rlghtWhat is thedirection of theangularacceleration ofthe wheels -
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
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Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
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Q3What is the path ofa particle in a rigid object rotating about a fixed axis
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Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
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Ql Shouldthere be anymatterat thecenter of gravityof anobject
-- Q2 The torqueexertedbya forceabout some axis dependson thechoiceof axis Howcan thecondition
I tiext =0 be satisfiedforanychoice of axis
Q3What is the path ofa particle in a rigid object rotating about a fixed axis
Qi1lgt Wangidobjectnasoillytnli1$l~tib~ mottQu(for example the-body of a cartraveling ina ~ght lin~ on af1~troad) ~etbere~YpointswithintheobJectthat alwayshave the same velocityas thecenter 0 f mass Ifso whichones
Q5 rfaiigidobj~tbas onlyrotationalmotionabouta fixedaxis are thereanypointswitbjptb~objectthat
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- Q6 ItflJigidopj1ctmQveS with both traR~ili9Q ~drQtaJioQ about an axis with a fixed9QeI1taliop((or gt sectj~JQUjpgWh~l)are ther~ any P9Ints within theobjectthatalways havethe sameYelciHYii$--fue
oftn~sIt so whichones
~~-th~-olretion ofthe angular velocityofa rigi4objectrql~tingabo1Jt~fixe4~i~WhiU$Jhe ~a9f~etmear velocityof a particle-in arigidobjectrotatingaboutci f1Xed~P ~
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Q12 C~~ider threerods made ofthesamernatedaland withthesamelengthshyag~)pass but with differentcross-sectional shapes(figure)Whicll of
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Q13 Is it possible to find an axis 0 f rotation (call the axis A) about which the moment of inertia for an object is smaller than the moment of inertia about an axis through the center ofmass and parallel to A
Q 14 Suppose you are designinga cart forcoastingdown a hillTomaximizeyourcoastingspeedshouldyou designthe wheels so that theirmoments of~ertia about theirrotation axes are largeor smallor does it matter Keepingthemoment ofinertiaofthe wheelsfixed wiltthe carts speedbe increasedordecreased byincreasingthe mass ofthe carts bodyAssume that mechanicalenergy isconserved
Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
athelinejoiningthe particles asshown in figure Whathappensto this system Fab gtas time goes on Is total linear momentum conserved Is total angular raquobull
Fba momentumconserved Is suchasystem possible Explain b
Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
Q22 Ayo-yowith halfthe string wound on its axle is placed on its edge on thefloor asshown in figureConsiderpullinggentlyon the string in the three different directions indicated by Fa Fb and Fein the figure The forcein each case is gentle enough so that the yo-yodoesnot slide In Yo-yo
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Q15 Ifaparticle is in uniformcircularmotioniseitherthedirectionorthemagnitude oftheangularmomentum aboutthecenterofits motionconstantIfthe particles speedis changingas ittrayels inacircle is either thedirectionor the magnitudeofthe angularmomentumconstant
Q16 Ifthenettorqueexerted ona particleis inthe same directionas theparticlesangularmomentumis there achange in the direction ofthe particles angularmomentumIs thereachangein the magnitudeofthe particles angularmomentum
Q 17 Consideran isolated system oftwo particlesa and b that interactwith each othersuch thatFili= -Fba hut the directionofthe forces is perpendicularto
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Q18Whena billiard ball rolls downa slope without sliding what force is responsible forthe torque that causestheangular acceleration about an axis through the centerofmass What force is responsible for thetorquethatcauses the angularacceleration aboutan axis throughthepointofco~~t~ththesurface
Q19 Legendhas it that a cat always lands on itsfeet High-speedcamerashave sho~ thatwhena cat begins a fallwith its feet up its tail rotates rapidlyand the eats bodyalso rotates sothatitdoes infact land on itsfeet Explainthe motion in termsofconservationofangularmomentumIncludeinyourexplanationa comparison of the sense of the rotation of the eats body with that of its tail How doyou thinka bobtailed cat might do in a fall that begins with its feet tip
Q20 Asmallsatelliteorbiting the earth hasonlyone window fortheastronautandthewindowis facing away fromtheearth Explain how the astronautcan rotate thesatelliteso he can viewthe earthand not useany rocketfuel in the process
Q21 Aspinning ice skater rapidly extends his arms [Neglect frictionduring the time interval the arms are extended] Ishis kinetic energyconserved Ishis potential energyconservedIshis mechanicalenergy conserved Is his angularmomentumconserved Ifanyofthesequantities arenotconservedtellwhether theyincrease or decrease
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---1----41
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~(hf~ ( ~~ i ~ cv-e-
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- J- 2- - 1-7- - __--_
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(1-0 --shy)
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~~~
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---
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-------------------------shy
-----
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) ~ T ~~_ y~~
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I-K-pound ~ 6Y ~ ~1 I_
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~ L 2-shy2-)== ~Q lt-raquogt ~ (D) h ~CYrecent
~ ~ A
~ -- -= ~((~OYUA ~ ~ eVJ-(lA)
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(1-0 --shy)
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~~~
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It t=- r - LL Igt ez- __ ~ c1e~ Ifmiddotr ~ i-n~I
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j
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I
I (
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j
j
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---- --- --
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L _------------- --------shy
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-
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f
--- -
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---
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l middot
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C) r- f- - rJ 0shy
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JCpound-
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I-K-pound ~ 6Y ~ ~1 I_
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---
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l middot
J2shyP ~gt-5)
IN ~tJ
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jYI~ v~WY
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Ii (1))
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JCpound-
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) ~ T ~~_ y~~
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I-K-pound ~ 6Y ~ ~1 I_
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V~ d W- cU~ 41bull
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I
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7 - Jir
(1-0 --shy)
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---- --- --
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---
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JCpound-
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I-K-pound ~ 6Y ~ ~1 I_
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~ L 2-shy2-)== ~Q lt-raquogt ~ (D) h ~CYrecent
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---
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---
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middot --- ---~-
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---
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v- ~o Y1) S
lDa-vtY Lshy
- J 70 YVfJ -=- JM M If
~
e bull - - - ---- 8ltiI Iltl-shy
c I tlt gt I
L V L
w= vT
-VL
~ w 3~ S(Vf-v~) V-r2- LCf-IZ -r V
lshy
5 Vf --+- 12shy
4
~ V~ -r-shy ~tgt
Vo cuJle l 2
- v r i- cu~ f C L-
V- r -+- r~VL ) t
tv JO~Js i1 ~ O-f Y1--~ rJilshy
i) Y - X -00 O I lt 4- VvI
Ifgt Yz7 gt_02 -_ 0-7~ y~ -z Q S - x O ~
cf
~_~-f
-fJ== Mllt-f)
-r~ s--(iO)(0176) -z lgrl
-vl(V1t QO)~))1-(Omiddotl-4-) 1J4N
P _ Yf1 ol-y _-r-r - I )
- fi ct---~--i-f--
~ 3GN
f ~ ~MJ--
--
n- W 2--1 _ r--
f =- C~ - ~~y~)v~ S ~N ~~)
~PfZ7
~ (0 J) (0)(0) ---- ---- ----_- ~--- _- _----
(lo)f)lt-) - (0(Omiddot J7cV
Sof
ogt~
(fo ) oJ)x =Cr)(~f(0- -gt0
ox- -J-J~
-------------------- ----------------_ -__-_--- -------shy-----_M _
v(b) yen-r =- CAJ () e) z cA v
---------lshy VL-- z w (R-h) -z vrLshy- - --- ~ - - - - -
~ z w(o) -z 0
v -==- ccraquo )6lt d(
f
~) VAjgtVgtvvc -- 0 If c (X c p
- 0 YVp-- f
C gt
~Lv~ -r~JR F 2shy(
~middot4 I~r
~ frrftn ~ c lxuA~ oY
fr~_~~h~~
is I_--rshy
--___ _------ shy_c---~middotmiddot~middot~middot-middot--middot-middotmiddot~~--------middot- -shyf~middot - --- - ______ _2Z~~ --- - --shy
---
--------__----------------~--~ -----~---- - shy
l middot
J2shyP ~gt-5)
IN ~tJ
w ~ ~Omiddot- (ltt)t ~ ~- ~~~)~ f
jYI~ v~WY
(1J) t =- fO ~ (~~~) ~
0D l == W(Ilt - IJRLe-shy klt--)
t-- tuo K - --
fit ~
r~ ~ ~ ~ 01~
rt J-lt~ ~ tze ~ ~ - r~~
AY~ b~ ~(~ ~
7~~h +~
2-e ~~~ ~ ze
~~~~
~~~~-~
~~~A~~~
Pvi~ ~ I~ ~
01t~)c __ ~ ~ v 1 )+ E1 k2)w
0Kj vJo = M(poundL-tK]W
---0--~W -= - W6K LR L-- ~ L 0
--- L
2-shyW
o
I ~ -]I k i
I e-t JeL-I
-------shy
t7)
J(2- -shy-(
-
~7 ~---------_
~-
oZ
1-1( l laquo-fJ ( -S
1
--6L )_---S==-~=----------c --=
C) r- f- - rJ 0shy
9 F( -t- F -= I(~)
jUA
I 1R
bull I
PiC- -f- P-f =- ~ C- - tv10( f( ~
~ =- (T2- -~)Q
V~ 5- hCA-lt2-- cAgt--rdJgt-1-t
4) j1 -ampl
l--~e~J 1
c-5shy wI 1fshy r~ ~
==-0~
_-- --- -- ----- - ---_---- __--_
- - - --
f
middot --- ---~-
gtgt --
------___ o- v
2shy
2--shy_ yYV o
-fA ltgt~AG F (I~ 3raquo
-- --- _-
L r f
a Fe
(A00 shy
z-lvn 7 -0 ~ilJ -shy
v- ~o Y1) S
lDa-vtY Lshy
- J 70 YVfJ -=- JM M If
~
e bull - - - ---- 8ltiI Iltl-shy
c I tlt gt I
L V L
w= vT
-VL
~ w 3~ S(Vf-v~) V-r2- LCf-IZ -r V
lshy
5 Vf --+- 12shy
4
~ V~ -r-shy ~tgt
Vo cuJle l 2
- v r i- cu~ f C L-
V- r -+- r~VL ) t
tv JO~Js i1 ~ O-f Y1--~ rJilshy
i) Y - X -00 O I lt 4- VvI
Ifgt Yz7 gt_02 -_ 0-7~ y~ -z Q S - x O ~
cf
~_~-f
-fJ== Mllt-f)
-r~ s--(iO)(0176) -z lgrl
-vl(V1t QO)~))1-(Omiddotl-4-) 1J4N
P _ Yf1 ol-y _-r-r - I )
- fi ct---~--i-f--
~ 3GN
f ~ ~MJ--
--
n- W 2--1 _ r--
f =- C~ - ~~y~)v~ S ~N ~~)
~PfZ7
~ (0 J) (0)(0) ---- ---- ----_- ~--- _- _----
(lo)f)lt-) - (0(Omiddot J7cV
Sof
ogt~
(fo ) oJ)x =Cr)(~f(0- -gt0
ox- -J-J~
-------------------- ----------------_ -__-_--- -------shy-----_M _
v(b) yen-r =- CAJ () e) z cA v
---------lshy VL-- z w (R-h) -z vrLshy- - --- ~ - - - - -
~ z w(o) -z 0
v -==- ccraquo )6lt d(
f
~) VAjgtVgtvvc -- 0 If c (X c p
- 0 YVp-- f
C gt
~Lv~ -r~JR F 2shy(
~middot4 I~r
~ frrftn ~ c lxuA~ oY
fr~_~~h~~
is I_--rshy
--___ _------ shy_c---~middotmiddot~middot~middot-middot--middot-middotmiddot~~--------middot- -shyf~middot - --- - ______ _2Z~~ --- - --shy
---
--------__----------------~--~ -----~---- - shy
l middot
J2shyP ~gt-5)
IN ~tJ
w ~ ~Omiddot- (ltt)t ~ ~- ~~~)~ f
jYI~ v~WY
(1J) t =- fO ~ (~~~) ~
0D l == W(Ilt - IJRLe-shy klt--)
t-- tuo K - --
fit ~
r~ ~ ~ ~ 01~
rt J-lt~ ~ tze ~ ~ - r~~
AY~ b~ ~(~ ~
7~~h +~
2-e ~~~ ~ ze
~~~~
~~~~-~
~~~A~~~
Pvi~ ~ I~ ~
01t~)c __ ~ ~ v 1 )+ E1 k2)w
0Kj vJo = M(poundL-tK]W
---0--~W -= - W6K LR L-- ~ L 0
--- L
2-shyW
o
I ~ -]I k i
I e-t JeL-I
-------shy
t7)
J(2- -shy-(
-
~7 ~---------_
~-
oZ
1-1( l laquo-fJ ( -S
1
--6L )_---S==-~=----------c --=
C) r- f- - rJ 0shy
9 F( -t- F -= I(~)
jUA
I 1R
bull I
PiC- -f- P-f =- ~ C- - tv10( f( ~
~ =- (T2- -~)Q
V~ 5- hCA-lt2-- cAgt--rdJgt-1-t
4) j1 -ampl
l--~e~J 1
c-5shy wI 1fshy r~ ~
==-0~
_-- --- -- ----- - ---_---- __--_
- - - --
f
middot --- ---~-
gtgt --
-fA ltgt~AG F (I~ 3raquo
-- --- _-
L r f
a Fe
(A00 shy
z-lvn 7 -0 ~ilJ -shy
v- ~o Y1) S
lDa-vtY Lshy
- J 70 YVfJ -=- JM M If
~
e bull - - - ---- 8ltiI Iltl-shy
c I tlt gt I
L V L
w= vT
-VL
~ w 3~ S(Vf-v~) V-r2- LCf-IZ -r V
lshy
5 Vf --+- 12shy
4
~ V~ -r-shy ~tgt
Vo cuJle l 2
- v r i- cu~ f C L-
V- r -+- r~VL ) t
tv JO~Js i1 ~ O-f Y1--~ rJilshy
i) Y - X -00 O I lt 4- VvI
Ifgt Yz7 gt_02 -_ 0-7~ y~ -z Q S - x O ~
cf
~_~-f
-fJ== Mllt-f)
-r~ s--(iO)(0176) -z lgrl
-vl(V1t QO)~))1-(Omiddotl-4-) 1J4N
P _ Yf1 ol-y _-r-r - I )
- fi ct---~--i-f--
~ 3GN
f ~ ~MJ--
--
n- W 2--1 _ r--
f =- C~ - ~~y~)v~ S ~N ~~)
~PfZ7
~ (0 J) (0)(0) ---- ---- ----_- ~--- _- _----
(lo)f)lt-) - (0(Omiddot J7cV
Sof
ogt~
(fo ) oJ)x =Cr)(~f(0- -gt0
ox- -J-J~
-------------------- ----------------_ -__-_--- -------shy-----_M _
v(b) yen-r =- CAJ () e) z cA v
---------lshy VL-- z w (R-h) -z vrLshy- - --- ~ - - - - -
~ z w(o) -z 0
v -==- ccraquo )6lt d(
f
~) VAjgtVgtvvc -- 0 If c (X c p
- 0 YVp-- f
C gt
~Lv~ -r~JR F 2shy(
~middot4 I~r
~ frrftn ~ c lxuA~ oY
fr~_~~h~~
is I_--rshy
--___ _------ shy_c---~middotmiddot~middot~middot-middot--middot-middotmiddot~~--------middot- -shyf~middot - --- - ______ _2Z~~ --- - --shy
---
--------__----------------~--~ -----~---- - shy
l middot
J2shyP ~gt-5)
IN ~tJ
w ~ ~Omiddot- (ltt)t ~ ~- ~~~)~ f
jYI~ v~WY
(1J) t =- fO ~ (~~~) ~
0D l == W(Ilt - IJRLe-shy klt--)
t-- tuo K - --
fit ~
r~ ~ ~ ~ 01~
rt J-lt~ ~ tze ~ ~ - r~~
AY~ b~ ~(~ ~
7~~h +~
2-e ~~~ ~ ze
~~~~
~~~~-~
~~~A~~~
Pvi~ ~ I~ ~
01t~)c __ ~ ~ v 1 )+ E1 k2)w
0Kj vJo = M(poundL-tK]W
---0--~W -= - W6K LR L-- ~ L 0
--- L
2-shyW
o
I ~ -]I k i
I e-t JeL-I
-------shy
t7)
J(2- -shy-(
-
~7 ~---------_
~-
oZ
1-1( l laquo-fJ ( -S
1
--6L )_---S==-~=----------c --=
C) r- f- - rJ 0shy
9 F( -t- F -= I(~)
jUA
I 1R
bull I
PiC- -f- P-f =- ~ C- - tv10( f( ~
~ =- (T2- -~)Q
V~ 5- hCA-lt2-- cAgt--rdJgt-1-t
4) j1 -ampl
l--~e~J 1
c-5shy wI 1fshy r~ ~
==-0~
_-- --- -- ----- - ---_---- __--_
- - - --
f
middot --- ---~-
gtgt --
L r f
a Fe
(A00 shy
z-lvn 7 -0 ~ilJ -shy
v- ~o Y1) S
lDa-vtY Lshy
- J 70 YVfJ -=- JM M If
~
e bull - - - ---- 8ltiI Iltl-shy
c I tlt gt I
L V L
w= vT
-VL
~ w 3~ S(Vf-v~) V-r2- LCf-IZ -r V
lshy
5 Vf --+- 12shy
4
~ V~ -r-shy ~tgt
Vo cuJle l 2
- v r i- cu~ f C L-
V- r -+- r~VL ) t
tv JO~Js i1 ~ O-f Y1--~ rJilshy
i) Y - X -00 O I lt 4- VvI
Ifgt Yz7 gt_02 -_ 0-7~ y~ -z Q S - x O ~
cf
~_~-f
-fJ== Mllt-f)
-r~ s--(iO)(0176) -z lgrl
-vl(V1t QO)~))1-(Omiddotl-4-) 1J4N
P _ Yf1 ol-y _-r-r - I )
- fi ct---~--i-f--
~ 3GN
f ~ ~MJ--
--
n- W 2--1 _ r--
f =- C~ - ~~y~)v~ S ~N ~~)
~PfZ7
~ (0 J) (0)(0) ---- ---- ----_- ~--- _- _----
(lo)f)lt-) - (0(Omiddot J7cV
Sof
ogt~
(fo ) oJ)x =Cr)(~f(0- -gt0
ox- -J-J~
-------------------- ----------------_ -__-_--- -------shy-----_M _
v(b) yen-r =- CAJ () e) z cA v
---------lshy VL-- z w (R-h) -z vrLshy- - --- ~ - - - - -
~ z w(o) -z 0
v -==- ccraquo )6lt d(
f
~) VAjgtVgtvvc -- 0 If c (X c p
- 0 YVp-- f
C gt
~Lv~ -r~JR F 2shy(
~middot4 I~r
~ frrftn ~ c lxuA~ oY
fr~_~~h~~
is I_--rshy
--___ _------ shy_c---~middotmiddot~middot~middot-middot--middot-middotmiddot~~--------middot- -shyf~middot - --- - ______ _2Z~~ --- - --shy
---
--------__----------------~--~ -----~---- - shy
l middot
J2shyP ~gt-5)
IN ~tJ
w ~ ~Omiddot- (ltt)t ~ ~- ~~~)~ f
jYI~ v~WY
(1J) t =- fO ~ (~~~) ~
0D l == W(Ilt - IJRLe-shy klt--)
t-- tuo K - --
fit ~
r~ ~ ~ ~ 01~
rt J-lt~ ~ tze ~ ~ - r~~
AY~ b~ ~(~ ~
7~~h +~
2-e ~~~ ~ ze
~~~~
~~~~-~
~~~A~~~
Pvi~ ~ I~ ~
01t~)c __ ~ ~ v 1 )+ E1 k2)w
0Kj vJo = M(poundL-tK]W
---0--~W -= - W6K LR L-- ~ L 0
--- L
2-shyW
o
I ~ -]I k i
I e-t JeL-I
-------shy
t7)
J(2- -shy-(
-
~7 ~---------_
~-
oZ
1-1( l laquo-fJ ( -S
1
--6L )_---S==-~=----------c --=
C) r- f- - rJ 0shy
9 F( -t- F -= I(~)
jUA
I 1R
bull I
PiC- -f- P-f =- ~ C- - tv10( f( ~
~ =- (T2- -~)Q
V~ 5- hCA-lt2-- cAgt--rdJgt-1-t
4) j1 -ampl
l--~e~J 1
c-5shy wI 1fshy r~ ~
==-0~
_-- --- -- ----- - ---_---- __--_
- - - --
f
middot --- ---~-
gtgt --
e bull - - - ---- 8ltiI Iltl-shy
c I tlt gt I
L V L
w= vT
-VL
~ w 3~ S(Vf-v~) V-r2- LCf-IZ -r V
lshy
5 Vf --+- 12shy
4
~ V~ -r-shy ~tgt
Vo cuJle l 2
- v r i- cu~ f C L-
V- r -+- r~VL ) t
tv JO~Js i1 ~ O-f Y1--~ rJilshy
i) Y - X -00 O I lt 4- VvI
Ifgt Yz7 gt_02 -_ 0-7~ y~ -z Q S - x O ~
cf
~_~-f
-fJ== Mllt-f)
-r~ s--(iO)(0176) -z lgrl
-vl(V1t QO)~))1-(Omiddotl-4-) 1J4N
P _ Yf1 ol-y _-r-r - I )
- fi ct---~--i-f--
~ 3GN
f ~ ~MJ--
--
n- W 2--1 _ r--
f =- C~ - ~~y~)v~ S ~N ~~)
~PfZ7
~ (0 J) (0)(0) ---- ---- ----_- ~--- _- _----
(lo)f)lt-) - (0(Omiddot J7cV
Sof
ogt~
(fo ) oJ)x =Cr)(~f(0- -gt0
ox- -J-J~
-------------------- ----------------_ -__-_--- -------shy-----_M _
v(b) yen-r =- CAJ () e) z cA v
---------lshy VL-- z w (R-h) -z vrLshy- - --- ~ - - - - -
~ z w(o) -z 0
v -==- ccraquo )6lt d(
f
~) VAjgtVgtvvc -- 0 If c (X c p
- 0 YVp-- f
C gt
~Lv~ -r~JR F 2shy(
~middot4 I~r
~ frrftn ~ c lxuA~ oY
fr~_~~h~~
is I_--rshy
--___ _------ shy_c---~middotmiddot~middot~middot-middot--middot-middotmiddot~~--------middot- -shyf~middot - --- - ______ _2Z~~ --- - --shy
---
--------__----------------~--~ -----~---- - shy
l middot
J2shyP ~gt-5)
IN ~tJ
w ~ ~Omiddot- (ltt)t ~ ~- ~~~)~ f
jYI~ v~WY
(1J) t =- fO ~ (~~~) ~
0D l == W(Ilt - IJRLe-shy klt--)
t-- tuo K - --
fit ~
r~ ~ ~ ~ 01~
rt J-lt~ ~ tze ~ ~ - r~~
AY~ b~ ~(~ ~
7~~h +~
2-e ~~~ ~ ze
~~~~
~~~~-~
~~~A~~~
Pvi~ ~ I~ ~
01t~)c __ ~ ~ v 1 )+ E1 k2)w
0Kj vJo = M(poundL-tK]W
---0--~W -= - W6K LR L-- ~ L 0
--- L
2-shyW
o
I ~ -]I k i
I e-t JeL-I
-------shy
t7)
J(2- -shy-(
-
~7 ~---------_
~-
oZ
1-1( l laquo-fJ ( -S
1
--6L )_---S==-~=----------c --=
C) r- f- - rJ 0shy
9 F( -t- F -= I(~)
jUA
I 1R
bull I
PiC- -f- P-f =- ~ C- - tv10( f( ~
~ =- (T2- -~)Q
V~ 5- hCA-lt2-- cAgt--rdJgt-1-t
4) j1 -ampl
l--~e~J 1
c-5shy wI 1fshy r~ ~
==-0~
_-- --- -- ----- - ---_---- __--_
- - - --
f
middot --- ---~-
gtgt --
tv JO~Js i1 ~ O-f Y1--~ rJilshy
i) Y - X -00 O I lt 4- VvI
Ifgt Yz7 gt_02 -_ 0-7~ y~ -z Q S - x O ~
cf
~_~-f
-fJ== Mllt-f)
-r~ s--(iO)(0176) -z lgrl
-vl(V1t QO)~))1-(Omiddotl-4-) 1J4N
P _ Yf1 ol-y _-r-r - I )
- fi ct---~--i-f--
~ 3GN
f ~ ~MJ--
--
n- W 2--1 _ r--
f =- C~ - ~~y~)v~ S ~N ~~)
~PfZ7
~ (0 J) (0)(0) ---- ---- ----_- ~--- _- _----
(lo)f)lt-) - (0(Omiddot J7cV
Sof
ogt~
(fo ) oJ)x =Cr)(~f(0- -gt0
ox- -J-J~
-------------------- ----------------_ -__-_--- -------shy-----_M _
v(b) yen-r =- CAJ () e) z cA v
---------lshy VL-- z w (R-h) -z vrLshy- - --- ~ - - - - -
~ z w(o) -z 0
v -==- ccraquo )6lt d(
f
~) VAjgtVgtvvc -- 0 If c (X c p
- 0 YVp-- f
C gt
~Lv~ -r~JR F 2shy(
~middot4 I~r
~ frrftn ~ c lxuA~ oY
fr~_~~h~~
is I_--rshy
--___ _------ shy_c---~middotmiddot~middot~middot-middot--middot-middotmiddot~~--------middot- -shyf~middot - --- - ______ _2Z~~ --- - --shy
---
--------__----------------~--~ -----~---- - shy
l middot
J2shyP ~gt-5)
IN ~tJ
w ~ ~Omiddot- (ltt)t ~ ~- ~~~)~ f
jYI~ v~WY
(1J) t =- fO ~ (~~~) ~
0D l == W(Ilt - IJRLe-shy klt--)
t-- tuo K - --
fit ~
r~ ~ ~ ~ 01~
rt J-lt~ ~ tze ~ ~ - r~~
AY~ b~ ~(~ ~
7~~h +~
2-e ~~~ ~ ze
~~~~
~~~~-~
~~~A~~~
Pvi~ ~ I~ ~
01t~)c __ ~ ~ v 1 )+ E1 k2)w
0Kj vJo = M(poundL-tK]W
---0--~W -= - W6K LR L-- ~ L 0
--- L
2-shyW
o
I ~ -]I k i
I e-t JeL-I
-------shy
t7)
J(2- -shy-(
-
~7 ~---------_
~-
oZ
1-1( l laquo-fJ ( -S
1
--6L )_---S==-~=----------c --=
C) r- f- - rJ 0shy
9 F( -t- F -= I(~)
jUA
I 1R
bull I
PiC- -f- P-f =- ~ C- - tv10( f( ~
~ =- (T2- -~)Q
V~ 5- hCA-lt2-- cAgt--rdJgt-1-t
4) j1 -ampl
l--~e~J 1
c-5shy wI 1fshy r~ ~
==-0~
_-- --- -- ----- - ---_---- __--_
- - - --
f
middot --- ---~-
gtgt --
--
n- W 2--1 _ r--
f =- C~ - ~~y~)v~ S ~N ~~)
~PfZ7
~ (0 J) (0)(0) ---- ---- ----_- ~--- _- _----
(lo)f)lt-) - (0(Omiddot J7cV
Sof
ogt~
(fo ) oJ)x =Cr)(~f(0- -gt0
ox- -J-J~
-------------------- ----------------_ -__-_--- -------shy-----_M _
v(b) yen-r =- CAJ () e) z cA v
---------lshy VL-- z w (R-h) -z vrLshy- - --- ~ - - - - -
~ z w(o) -z 0
v -==- ccraquo )6lt d(
f
~) VAjgtVgtvvc -- 0 If c (X c p
- 0 YVp-- f
C gt
~Lv~ -r~JR F 2shy(
~middot4 I~r
~ frrftn ~ c lxuA~ oY
fr~_~~h~~
is I_--rshy
--___ _------ shy_c---~middotmiddot~middot~middot-middot--middot-middotmiddot~~--------middot- -shyf~middot - --- - ______ _2Z~~ --- - --shy
---
--------__----------------~--~ -----~---- - shy
l middot
J2shyP ~gt-5)
IN ~tJ
w ~ ~Omiddot- (ltt)t ~ ~- ~~~)~ f
jYI~ v~WY
(1J) t =- fO ~ (~~~) ~
0D l == W(Ilt - IJRLe-shy klt--)
t-- tuo K - --
fit ~
r~ ~ ~ ~ 01~
rt J-lt~ ~ tze ~ ~ - r~~
AY~ b~ ~(~ ~
7~~h +~
2-e ~~~ ~ ze
~~~~
~~~~-~
~~~A~~~
Pvi~ ~ I~ ~
01t~)c __ ~ ~ v 1 )+ E1 k2)w
0Kj vJo = M(poundL-tK]W
---0--~W -= - W6K LR L-- ~ L 0
--- L
2-shyW
o
I ~ -]I k i
I e-t JeL-I
-------shy
t7)
J(2- -shy-(
-
~7 ~---------_
~-
oZ
1-1( l laquo-fJ ( -S
1
--6L )_---S==-~=----------c --=
C) r- f- - rJ 0shy
9 F( -t- F -= I(~)
jUA
I 1R
bull I
PiC- -f- P-f =- ~ C- - tv10( f( ~
~ =- (T2- -~)Q
V~ 5- hCA-lt2-- cAgt--rdJgt-1-t
4) j1 -ampl
l--~e~J 1
c-5shy wI 1fshy r~ ~
==-0~
_-- --- -- ----- - ---_---- __--_
- - - --
f
middot --- ---~-
gtgt --
(fo ) oJ)x =Cr)(~f(0- -gt0
ox- -J-J~
-------------------- ----------------_ -__-_--- -------shy-----_M _
v(b) yen-r =- CAJ () e) z cA v
---------lshy VL-- z w (R-h) -z vrLshy- - --- ~ - - - - -
~ z w(o) -z 0
v -==- ccraquo )6lt d(
f
~) VAjgtVgtvvc -- 0 If c (X c p
- 0 YVp-- f
C gt
~Lv~ -r~JR F 2shy(
~middot4 I~r
~ frrftn ~ c lxuA~ oY
fr~_~~h~~
is I_--rshy
--___ _------ shy_c---~middotmiddot~middot~middot-middot--middot-middotmiddot~~--------middot- -shyf~middot - --- - ______ _2Z~~ --- - --shy
---
--------__----------------~--~ -----~---- - shy
l middot
J2shyP ~gt-5)
IN ~tJ
w ~ ~Omiddot- (ltt)t ~ ~- ~~~)~ f
jYI~ v~WY
(1J) t =- fO ~ (~~~) ~
0D l == W(Ilt - IJRLe-shy klt--)
t-- tuo K - --
fit ~
r~ ~ ~ ~ 01~
rt J-lt~ ~ tze ~ ~ - r~~
AY~ b~ ~(~ ~
7~~h +~
2-e ~~~ ~ ze
~~~~
~~~~-~
~~~A~~~
Pvi~ ~ I~ ~
01t~)c __ ~ ~ v 1 )+ E1 k2)w
0Kj vJo = M(poundL-tK]W
---0--~W -= - W6K LR L-- ~ L 0
--- L
2-shyW
o
I ~ -]I k i
I e-t JeL-I
-------shy
t7)
J(2- -shy-(
-
~7 ~---------_
~-
oZ
1-1( l laquo-fJ ( -S
1
--6L )_---S==-~=----------c --=
C) r- f- - rJ 0shy
9 F( -t- F -= I(~)
jUA
I 1R
bull I
PiC- -f- P-f =- ~ C- - tv10( f( ~
~ =- (T2- -~)Q
V~ 5- hCA-lt2-- cAgt--rdJgt-1-t
4) j1 -ampl
l--~e~J 1
c-5shy wI 1fshy r~ ~
==-0~
_-- --- -- ----- - ---_---- __--_
- - - --
f
middot --- ---~-
gtgt --
v -==- ccraquo )6lt d(
f
~) VAjgtVgtvvc -- 0 If c (X c p
- 0 YVp-- f
C gt
~Lv~ -r~JR F 2shy(
~middot4 I~r
~ frrftn ~ c lxuA~ oY
fr~_~~h~~
is I_--rshy
--___ _------ shy_c---~middotmiddot~middot~middot-middot--middot-middotmiddot~~--------middot- -shyf~middot - --- - ______ _2Z~~ --- - --shy
---
--------__----------------~--~ -----~---- - shy
l middot
J2shyP ~gt-5)
IN ~tJ
w ~ ~Omiddot- (ltt)t ~ ~- ~~~)~ f
jYI~ v~WY
(1J) t =- fO ~ (~~~) ~
0D l == W(Ilt - IJRLe-shy klt--)
t-- tuo K - --
fit ~
r~ ~ ~ ~ 01~
rt J-lt~ ~ tze ~ ~ - r~~
AY~ b~ ~(~ ~
7~~h +~
2-e ~~~ ~ ze
~~~~
~~~~-~
~~~A~~~
Pvi~ ~ I~ ~
01t~)c __ ~ ~ v 1 )+ E1 k2)w
0Kj vJo = M(poundL-tK]W
---0--~W -= - W6K LR L-- ~ L 0
--- L
2-shyW
o
I ~ -]I k i
I e-t JeL-I
-------shy
t7)
J(2- -shy-(
-
~7 ~---------_
~-
oZ
1-1( l laquo-fJ ( -S
1
--6L )_---S==-~=----------c --=
C) r- f- - rJ 0shy
9 F( -t- F -= I(~)
jUA
I 1R
bull I
PiC- -f- P-f =- ~ C- - tv10( f( ~
~ =- (T2- -~)Q
V~ 5- hCA-lt2-- cAgt--rdJgt-1-t
4) j1 -ampl
l--~e~J 1
c-5shy wI 1fshy r~ ~
==-0~
_-- --- -- ----- - ---_---- __--_
- - - --
f
middot --- ---~-
gtgt --
~ frrftn ~ c lxuA~ oY
fr~_~~h~~
is I_--rshy
--___ _------ shy_c---~middotmiddot~middot~middot-middot--middot-middotmiddot~~--------middot- -shyf~middot - --- - ______ _2Z~~ --- - --shy
---
--------__----------------~--~ -----~---- - shy
l middot
J2shyP ~gt-5)
IN ~tJ
w ~ ~Omiddot- (ltt)t ~ ~- ~~~)~ f
jYI~ v~WY
(1J) t =- fO ~ (~~~) ~
0D l == W(Ilt - IJRLe-shy klt--)
t-- tuo K - --
fit ~
r~ ~ ~ ~ 01~
rt J-lt~ ~ tze ~ ~ - r~~
AY~ b~ ~(~ ~
7~~h +~
2-e ~~~ ~ ze
~~~~
~~~~-~
~~~A~~~
Pvi~ ~ I~ ~
01t~)c __ ~ ~ v 1 )+ E1 k2)w
0Kj vJo = M(poundL-tK]W
---0--~W -= - W6K LR L-- ~ L 0
--- L
2-shyW
o
I ~ -]I k i
I e-t JeL-I
-------shy
t7)
J(2- -shy-(
-
~7 ~---------_
~-
oZ
1-1( l laquo-fJ ( -S
1
--6L )_---S==-~=----------c --=
C) r- f- - rJ 0shy
9 F( -t- F -= I(~)
jUA
I 1R
bull I
PiC- -f- P-f =- ~ C- - tv10( f( ~
~ =- (T2- -~)Q
V~ 5- hCA-lt2-- cAgt--rdJgt-1-t
4) j1 -ampl
l--~e~J 1
c-5shy wI 1fshy r~ ~
==-0~
_-- --- -- ----- - ---_---- __--_
- - - --
f
middot --- ---~-
gtgt --
---
--------__----------------~--~ -----~---- - shy
l middot
J2shyP ~gt-5)
IN ~tJ
w ~ ~Omiddot- (ltt)t ~ ~- ~~~)~ f
jYI~ v~WY
(1J) t =- fO ~ (~~~) ~
0D l == W(Ilt - IJRLe-shy klt--)
t-- tuo K - --
fit ~
r~ ~ ~ ~ 01~
rt J-lt~ ~ tze ~ ~ - r~~
AY~ b~ ~(~ ~
7~~h +~
2-e ~~~ ~ ze
~~~~
~~~~-~
~~~A~~~
Pvi~ ~ I~ ~
01t~)c __ ~ ~ v 1 )+ E1 k2)w
0Kj vJo = M(poundL-tK]W
---0--~W -= - W6K LR L-- ~ L 0
--- L
2-shyW
o
I ~ -]I k i
I e-t JeL-I
-------shy
t7)
J(2- -shy-(
-
~7 ~---------_
~-
oZ
1-1( l laquo-fJ ( -S
1
--6L )_---S==-~=----------c --=
C) r- f- - rJ 0shy
9 F( -t- F -= I(~)
jUA
I 1R
bull I
PiC- -f- P-f =- ~ C- - tv10( f( ~
~ =- (T2- -~)Q
V~ 5- hCA-lt2-- cAgt--rdJgt-1-t
4) j1 -ampl
l--~e~J 1
c-5shy wI 1fshy r~ ~
==-0~
_-- --- -- ----- - ---_---- __--_
- - - --
f
middot --- ---~-
gtgt --
fit ~
r~ ~ ~ ~ 01~
rt J-lt~ ~ tze ~ ~ - r~~
AY~ b~ ~(~ ~
7~~h +~
2-e ~~~ ~ ze
~~~~
~~~~-~
~~~A~~~
Pvi~ ~ I~ ~
01t~)c __ ~ ~ v 1 )+ E1 k2)w
0Kj vJo = M(poundL-tK]W
---0--~W -= - W6K LR L-- ~ L 0
--- L
2-shyW
o
I ~ -]I k i
I e-t JeL-I
-------shy
t7)
J(2- -shy-(
-
~7 ~---------_
~-
oZ
1-1( l laquo-fJ ( -S
1
--6L )_---S==-~=----------c --=
C) r- f- - rJ 0shy
9 F( -t- F -= I(~)
jUA
I 1R
bull I
PiC- -f- P-f =- ~ C- - tv10( f( ~
~ =- (T2- -~)Q
V~ 5- hCA-lt2-- cAgt--rdJgt-1-t
4) j1 -ampl
l--~e~J 1
c-5shy wI 1fshy r~ ~
==-0~
_-- --- -- ----- - ---_---- __--_
- - - --
f
middot --- ---~-
gtgt --
2-shyW
o
I ~ -]I k i
I e-t JeL-I
-------shy
t7)
J(2- -shy-(
-
~7 ~---------_
~-
oZ
1-1( l laquo-fJ ( -S
1
--6L )_---S==-~=----------c --=
C) r- f- - rJ 0shy
9 F( -t- F -= I(~)
jUA
I 1R
bull I
PiC- -f- P-f =- ~ C- - tv10( f( ~
~ =- (T2- -~)Q
V~ 5- hCA-lt2-- cAgt--rdJgt-1-t
4) j1 -ampl
l--~e~J 1
c-5shy wI 1fshy r~ ~
==-0~
_-- --- -- ----- - ---_---- __--_
- - - --
f
middot --- ---~-
gtgt --
~7 ~---------_
~-
oZ
1-1( l laquo-fJ ( -S
1
--6L )_---S==-~=----------c --=
C) r- f- - rJ 0shy
9 F( -t- F -= I(~)
jUA
I 1R
bull I
PiC- -f- P-f =- ~ C- - tv10( f( ~
~ =- (T2- -~)Q
V~ 5- hCA-lt2-- cAgt--rdJgt-1-t
4) j1 -ampl
l--~e~J 1
c-5shy wI 1fshy r~ ~
==-0~
_-- --- -- ----- - ---_---- __--_
- - - --
f
middot --- ---~-
gtgt --
4) j1 -ampl
l--~e~J 1
c-5shy wI 1fshy r~ ~
==-0~
_-- --- -- ----- - ---_---- __--_
- - - --
f
middot --- ---~-
gtgt --
middot --- ---~-
gtgt --