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3 Conservation of energy

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Question 70
F

Oil is added between the moving parts of a machine.

Why does this reduce unwanted energy transfer?

[1]
A

Friction decreases, so less energy is transferred by heating.

B

Friction increases, so less energy is transferred by heating.

C

Friction decreases, so more energy is transferred by heating.

D

Friction increases, so more energy is transferred by heating.

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3 Conservation of energy Questions

  1. GCSE
  2. /Physics
  3. /3 Conservation of energy

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