Example 11.2 A porter lifts a luggage of 15
kg from the ground and puts it on his
head 1,5 m above the ground, Caleculate
the work done by him on the luggage
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Explanation:
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Answered by
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Answer:
work done =225
Explanation:
mass of luggage =15
height of luggage =1.5m
work done=force ×distance
force=weight of luggage
force=m×g
work done =m×g×h
=15×10×1.5
=225 j
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