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A body of mass m is moved from ground to a height h. If the force of gravity on mass of 1 kg is g newton, find the force needed to lift the body. - Gravitational Potential Energy

Answer in Brief

A body of mass m is moved from ground to a height h. If the force of gravity on mass of 1 kg is g newton, find the force needed to lift the body.

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Solution

When a body of mass m at A on the ground is raised above ground through height h at B force is applied. This force applied = weight of body
Force on mass m = F = m g
Where ‘g’ is the force of gravity on a mass of 1 kg.

Concept: Gravitational Potential Energy
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