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Question

# Arun is travelling with his friends in a car. The car suddenly stops due to some problem in the engine. If Arun and his friends apply a force of 1000 N to drag the car to the nearest garage that is 1.2 km from that place, determine the total power required if the dragging time is 20 minutes.

A

2000 watts

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B

3000 watts

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C

1000 watts

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D

500 watts

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Solution

## The correct option is C 1000 watts As work done is force × displacement Power = work donetime Power = 1000×120020×60 = 1000 Watts

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