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Moment of Inertia :: Discussion

6.	The kinetic energy acquires by a mass m in travelling distance d, starting from rest, under the action of a constant force is directly proportional to?
	A.	m
	B.	m⁰
	C.	âˆšm
	D.	1/âˆšm

	Answer: Option B


	Explanation:
	v²-u²=2as v²-0=2×F/m×d = 2Fd/m Kinetic energy = 1/2 mv²=1/2 m×2Fd/m = Fd Hence, kinetic energy does not depend on m or it is directly proportional to m⁰.



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Published by:Michael Daani

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