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8 Energy – forces doing work

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Question 44

An instructor demonstrates four actions with gym equipment. Which action increases an elastic potential energy store?

[1]
A

Raising a dumbbell from the floor onto a rack

B

Pulling a resistance band so it stretches and holding it

C

Pedalling an exercise bicycle so its flywheel rotates faster

D

Rubbing their hands together so their temperature rises

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8 Energy – forces doing work Questions

  1. GCSE
  2. /Physics
  3. /8 Energy – forces doing work

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