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 (ag) times his true weight
a & b are correct
a & b are wrong
a is correct & b is wrong
a is wrong & b is correct
A
a & b are wrong
B
a is wrong & b is correct
C
a & b are correct
D
a is correct & b is wrong
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Solution
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Refer to the concept (ii), Since lift accelerates upwards the pseudo force will act downwards and the net normal reaction will increase by ma
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