A boy weighing 600 N was in a lift. If the lift started falling freely under the action of gravity, his apparent weight would be.

0 N

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100 N

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600 N

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Solution

The correct option is A 0 N
As we know, during free fall the only force acting is a man's weight itself. So, both lift and the boy inside would be in a state of free fall and hence the normal contact force between the floor of the lift and the man would be zero. Therefore the boy would experience weightlessness.

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