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5.2 Work done and energy transfer

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Question 1
F

A cyclist brakes to slow down. The brake blocks rub against the metal wheel rims.

a.

Explain why the temperature of the brake blocks and the wheel rims rises as the cyclist brakes.

[3]
b.

The braking force acting on the bicycle is 240 N. The cyclist travels 18 m while braking. Calculate the work done by the braking force.

[2]
Markscheme

5.2 Work done and energy transfer Questions

  1. GCSE
  2. /Physics
  3. /5.2 Work done and energy transfer

40 exam-style questions on AQA GCSE Physics 5.2 Work done and energy transfer, covering 5.2 Work done and energy transfer. Each one has a worked solution and a mark scheme showing where the marks go.

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