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1.2 Conservation and dissipation of energy

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Question 3
F

A cyclist puts oil on the chain of a bicycle. Which unwanted energy transfer is reduced by the oil?

[1]
A

energy transferred by friction between the moving parts of the chain

B

energy transferred by conduction along the metal frame of the bicycle

C

energy transferred by sound waves from the tyres to the surrounding air

D

energy transferred by the cyclist's muscles to the kinetic store of the bicycle

Markscheme

1.2 Conservation and dissipation of energy Questions

  1. GCSE
  2. /Physics
  3. /1.2 Conservation and dissipation of energy

40 exam-style questions on AQA GCSE Physics 1.2 Conservation and dissipation of energy, covering 1.2.1 Energy transfers in a system and 1.2.2 Efficiency. Each one has a worked solution and a mark scheme showing where the marks go.

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