Download - 8th Grade Forces-Motion Lesson-7 Incline · surface, up a slight incline, medium incline, and finally a severe incline. Speed of car on level surface (baseline or control experiment)

RoadTestingAnotheraspectofautomotiveengineeringisnotonlyevaluatingtheperformanceratingofacar,butalsofindinghowyourcarwillperformintherealworld,thisiscalledroadtesting.

Directions: Usingyourballooncar,youwilltesttoseehowfastyourcarwillupandinclinewhich willsimulatetheroadconditionsintherealworld,inthiscaseahill.Makechangesto yourcarasneededandonceready,recordthreetrialsofyourcartravelingonalevel surface,upaslightincline,mediumincline,andfinallyasevereincline.

Speedofcaronlevelsurface(baselineorcontrolexperiment)

Trial Number Time (X-Axis) Distance (Y-Axis) 1 2 3

AVERAGE

Graphyourresultsbelow: Eachtrialshouldhaveitsownline,startingattheoriginandgoing throughthepointgeneratedbyyourdata.Besuretoincludethe averageaswell.

Analyzeyourgraph

Whichofyourthreetrialshasthehighestspeed?

Whatwastheaveragespeedofyourcar?

Whatwasthefurthestdistancetraveledbyyourcar?

Didyounoticeanypatternsinyourdata?

Speedtravelingonaslightincline


AVERAGE


Analyzeyourgraph





Speedtravelingonamediumincline


AVERAGE


Analyzeyourgraph





SpeedTravelingupasevereincline


AVERAGE


Wheredidyourcarhavetheleastamountofkineticenergy?Themostkineticenergy?

Wheredidyourcarhavetheleastamountofpotentialenergy?Themostpotentialenergy?

Diagramtheinclinewiththepointofmostkineticenergyandmostpotentialenergy.

Analyzeyourgraph



