EASY
Earn 100

If F is the force required to keep a train moving at a constant speed the power required is
(a)
(b)
(c)
(d)

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Important Questions on Work, Energy and Power
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HARD
A body starts from rest, under the action of an engine working at constant power and moves along a straight line. The displacement is given as a function of time as:

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EASY

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A body at rest is moved along a horizontal straight line by a machine delivering a constant power. The distance moved by the body in time is proportional to:

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HARD

MEDIUM

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