Q.

A man of weight 75 kg is standing in an elevator which is moving with an acceleration of 5 m/s2  in upward direction the apparent weight of the man will be (g=10  m/s2).

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a

1425 N

b

1375 N

c

1250 N

d

1125 N

answer is D.

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Detailed Solution

The apparent weight, R=m(g+a)=75(10+5)=1125 N
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A man of weight 75 kg is standing in an elevator which is moving with an acceleration of 5 m/s2  in upward direction the apparent weight of the man will be (g=10  m/s2).