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A vehicle needs an engine of 7500 W to k...

A vehicle needs an engine of 7500 W to keep it moving with a constant velocity of 20 `ms^(-1)` on a horizontal surface. The force resisting the motion is

A

375 dyne

B

375 N

C

150000 dyne

D

150000 N

Text Solution

Verified by Experts

The correct Answer is:
B
(b) Power required to move the vehicle
`P=F.v rArr F=(P)/(v)=(7500)/(20)=375 N`
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