 Solution

ID: past-exam-of-the-physics-course-of-the-year-1-of-the-natural-sciences-course-of-the-university-of-cambridge/2011/paper-1/section-b/b7/iii/solution

The instantaneous mechanical power supplied by a force is

P = F \cdot v,

where v is the velocity of its point of application in the chosen frame.

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