Question

A monkey weight 50 kg climbs up a vertical tree of height 300 metre, how much potential energy does
it gain? g=9.8 metre per second square)




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Answer 1

Answer:

mass of boy = m = 50 kg

    height = h = 100m

    since boy does not move anything with his force, work done by him is zero

    work done on the boy = gain in potential energy

    P.E=mgh

    P.E=50×9.8×100

   P.E=49KJ

  so, potential energy gained by boy is 49 KJ

 

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