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Physics (AS & A Level) · May / June 2021 · Paper 12 · Question 18

9702Energy conservation

What is the definition of power?

  1. APower is the product of force and velocity.
  2. BPower is the product of force and work done per unit time.
  3. CPower is the product of force per unit time and velocity.
  4. DPower is the rate at which work is done.

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Correct answer: D. Power is the rate at which work is done.

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