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An electric motor exerts a force of 40 N...

An electric motor exerts a force of 40 N on a cable and pulls it by a distance of 30 m in one minute. The power supplied by the motor (in Watts ) is

A

20

B

200

C

2

D

10

Text Solution

Verified by Experts

The correct Answer is:
A
`P= Fv= F xx (s)/(t)= 40 xx (30)/(60)= 20W`
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ERRORLESS -WORK , ENERGY , POWER AND COLLISION-Ordinary Thinking (Objective Questions) (Power)
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