A man lifts aload of 200 kg from the ground and put it on his hand 1.4 m above the ground. calculate the workdone by the mass??????
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Answer:
m = 200 kg
h = 1.4 m
Work done against gravitational force,
W = mgh
= 200 x 9.8 x 1 .4
= 2744 J
Explanation:
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