Question

A boy of 65 kg moves 20m distance. Calculate the work done by the boy


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Answer 1

Answer:

13 kJ

Here,

M=65kg,

Height,(h)=20m

Work done -

W= change in potential energy

=mgh−0=mgh=65×10×20=13000J=13kJ.

[ I have assumed "g" to be 10m/s² to make calculation simpler]

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