BRAINCAKE

Power and Motion

OCR AS-level PhysicsWork, Energy and PowerLesson 9 of 10

When a constant force F is exerted on an object to maintain a constant speed v the rate of work done P is given by

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Key terms in this lesson

work done
The energy transferred when a force moves its point of application through a distance in the direction of the force.
power
The rate at which work is done, or the rate of transfer of energy.

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