Power is dot product of:
Correct answer: B. Force and velocity
- A. Force and displacement
- B. Force and velocity
- C. Force and time
- D. Work and time
Explanation
Power (P) is calculated as the dot product of force (F) and velocity (v), which represents the rate at which work is done.
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About Power
Power is the rate at which work is done or energy is transferred, with average power calculated over a time interval and instantaneous power found from P = Fv when force and velocity are aligned. Work includes units, mechanical efficiency, and the distinction between power and total work or energy.
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