Ramayan lives mass of 20 kg to a height to of 205m.assumibg that the force of gravity is 10N and find the work done by the man
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Mass = 20 kg h = 205 m
Force of gravity on a mass of 1 kg = 10 N
Force of gravity on a mass of 20kg
F = mg = 20 × 10 = 200 N
Work done in lifting the mass to height h = 20 m is
W = F × h
= 200 N × 205 m
= 200 × 205/10 = 4100
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