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9.2 Moments

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Question 2

A motor operates a winding drum used to raise theatre scenery. The motor gear has a radius of 0.10 m and meshes directly with a gear of radius 0.30 m attached to the drum. The teeth of the two gears push on each other with forces of equal size. The moment on the gear attached to the drum is 6.0 N m. What is the moment provided by the motor gear?

[1]
A

2.0 N m2.0\ \mathrm{N\,m}2.0 Nm

B

18 N m18\ \mathrm{N\,m}18 Nm

C

6.0 N m6.0\ \mathrm{N\,m}6.0 Nm

D

0.60 N m0.60\ \mathrm{N\,m}0.60 Nm

Markscheme

9.2 Moments Questions

  1. GCSE
  2. /Physics
  3. /9.2 Moments

102 exam-style questions on Edexcel GCSE Physics 9.2 Moments, covering 9.2.1 Rotational effects of forces and moments, 9.2.2 The principle of moments, and 9.2.3 Levers and gears. Each one has a worked solution and a mark scheme showing where the marks go.

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