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Potential Energy - External Viewpoint

Claculate the...

Question

Claculate the work done by a boy lifting a 10 kg laptop from the ground and keeping it on a shelf 1.5 m high

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Solution

Dear Student ,
Here the work done is = W = change in potential energy = mgh = 0.5 x 10 x 1.5 = 7.5 J
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