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Q.

A constant force F is applied to keep the particle moving with uniform velocity v. Then the power required is

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a

F/v

b

${Fv}^{2}$

c

F v

d

$\frac{1}{2} {Fv}^{2}$

answer is C.

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Detailed Solution

power= $= \frac{dW}{dt} = F (\frac{dx}{dt}) = {Fv}_{}$

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