1.

The apparent weight of a man in a lift is w_1 when lift moves upwards with some acceleration and is w_2 when it is accelerating down with same acceleration. Find the true weight of the man and acceleration of lift.

Answer»

` (w_1+w_2)/2`
` (w_1-w_2)/2`
`2w_1`
`2w_2`

ANSWER :A


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