A labour having mass 80kg carries a bag of mass 10kg to the top of a building 98m high. Find the work done if g is equal to 9.8m/sec
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Explanation:
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The work done by the man is in termns of the potential energy change.
The change in the potential energy is given as:
w=mgΔh
Substitute the values in above formula:
w=800×9.8×100
=7.84×10
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