A machine does 500 J of work in 10 seconds. Its power is MCQ with Answer and Explanation

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A machine does 500 J of work in 10 seconds. Its power is

A. 0.5 W

B. 5000 W

C. 5 W

D. 50 W

Answer: Option D

Solution (By JKExamLibrary)

Power = work/time = 500/10 = 50 W. Watt = Joule/second. This is average power. Simple division. Higher power means faster rate of doing work.

This question belongs to: Science Physics

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