A-LevelPhysicsWork, energy and power9702/12 · May/June 2021 · Q181 Mark

What is the definition of power?

APower is the product of force and velocity.

BPower is the product of force and work done per unit time.

CPower is the product of force per unit time and velocity.

DPower is the rate at which work is done.

✓ Correct answer

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

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Topic: Work, energy and power, A-Level Physics (syllabus 9702). Multiple choice, 1 mark.
Source: A-Level Physics, May/June 2021 Paper 1 Variant 2, question 18.

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