A body of mass m is moved from ground to a height h. If force of gra – InterviewSolution

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1.	A body of mass m is moved from ground to a height h. If force of gravity on mass of 1 kg is gnewton, find : (a) the force needed to lift the body,(b) the work done in lifting the body and (c) thepotential energy stored in the body
Answer» hiiEXPLAINATION:(a) When a body of mass at a on ground is raised Above ground through height at B force is APPLIED this force applied = WEIGHT of body . (b) Work DONE in lifting the body = Force x displacement = mg x h . (C) This work done W stored in body the form of potential energy P.E.

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