Questions on Moments
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Name: .................................... Grade : IX IGCSE Worksheet Moments ************************************************************** ************ 1) Why would a mechanic choose a long spanner to undo a tight nut? ………………………………………………………………………………………… ………………………………………………………………………………………… ………………………………………………………………………………………… 2) A mechanic applies a force of 200 N at the end of a spanner of length 20 cm. What moment is applied to the nut? ………………………………………………………………………………………… ………………………………………………………………………………………… 3) Calculate X, Y and Z in the following diagram:
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Transcript of Questions on Moments
Name: .................................... Grade : IX IGCSE Worksheet Moments **************************************************************************
1) Why would a mechanic choose a long spanner to undo a tight nut?
…………………………………………………………………………………………
…………………………………………………………………………………………
…………………………………………………………………………………………
2) A mechanic applies a force of 200 N at the end of a spanner of length 20 cm. What
moment is applied to the nut?
…………………………………………………………………………………………
…………………………………………………………………………………………
3) Calculate X, Y and Z in the following diagram:
4) Dawn sits on a seesaw 2.50m from the pivot. Jasmin balances the seesaw by sitting 2.00m
on the other side of the pivot.
(a) Who is lighter, Dawn or Jasmin?
………………………………......………………………………………………………
(b) Jasmin weighs 425 N. What is Dawn’s weight?
………........………………………………………………………………………………
……………………..........…………………………………………………………………
(c) Dawn gets off the seesaw so John can sit on it to balance Jasmin. His weight is 450 N.
How far from the pivot should he sit?
…………..........……………………………………………………………………………
…………..........……………………………………………………………………………
5) For each of the balanced beams in the figure, work out the unknown weight.
