A porter lifts a luggage weighting 7N from the ground and puts it on his head 1.5 m above the ground . Calculate the amount of work done by him on the luggage.
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Answer:
10.5 j
Explanation:
Given:
f = 7n
d = 1.5m
w = f×s
= 7×1.5
= 10.5 j
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