A porter lifts a luggage of 15 kg from the ground and put it on his head 1.5 metre above the ground calculate the work done by him on the luggage..
Class 9 physics NCERT, Page 148, EX 11.2, A porter lifts a luggage of 15 kg from the ground and p..
A porter lifts a luggage of 15 kg from the ground and put it on his head 1.5 metre above the ground calculate the work done by him on the luggage..
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