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5.2 Work done and energy transfer

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Question 10

A motor pulls a loaded mining skip 20 m along an inclined track. The pulling force acts in the direction in which the skip moves.

The work done by the motor increases the gravitational potential energy store of the skip by 72 kJ and transfers 8 kJ to thermal energy stores because of friction.

Calculate the pulling force exerted by the motor.

[1]
A

3200 N

B

3600 N

C

400 N

D

4000 N

Markscheme

5.2 Work done and energy transfer Questions

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

113 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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