A boy of weight 60 kg wt is standing in a lift If the lift beings to move up with a uniform speed 4 9m s the apparent weight of

Question

A boy of weight 60 kg wt is standing in a lift If the lift beings to move up with a uniform speed 4 9m s the apparent weight of boy is 1 60 kg wt 2 90 kg wt 3 30 kg wt 4 zero

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