1.

A man of mass m is on the floor of a lift and lift is moving up with acceleration 'a' then :(a) normal reaction is more than his weight by ma(b) man appears to be heavier by (a/g) times his true weight

Answer»

A & B are CORRECT
A & B are WRONG
A is correct and B is wrong
A is wrong and B is correct

ANSWER :A


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