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Rotation and Revolution of the Moon

A person weig...

Question

A person weighing 60kg is standing in a lift which is moving upwards with accelerarion 4.9 m /s^2 . Find the apparent weight of the person.

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Solution

Given, a = 4.9m/s²
m = 60kg
Now weight = m g
apparent weight, w = m (g+a) N [because lift is moving upwards]
= 60 (9.8+4.9)
= 882 N

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