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9.2 Moments

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Question 20

The steering wheel of a go-kart has a radius of 20 cm. A moment of 7.2 N m is needed to turn the steering wheel.

The driver applies a force at the rim of the wheel, at right angles to a radius.

What is the minimum force needed to turn the steering wheel?

[1]
A

1.44 N1.44\ \mathrm{N}1.44 N

B

144 N144\ \mathrm{N}144 N

C

0.36 N0.36\ \mathrm{N}0.36 N

D

36 N36\ \mathrm{N}36 N

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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