A young man of mass 60 kg stands on the floor of a lift which is accelerating downwards at 1m/ s2 then the reaction of the floor of the lift on the man is (Take g = 9.8m/ s2 )

Q.

A young man of mass 60 kg stands on the floor of a lift which is accelerating downwards at 1m/ s2 then the reaction of the floor of the lift on the man is (Take g = 9.8m/ s2 )

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a

528 N

b

540 N

c

546N

d

none

answer is A.

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Detailed Solution

R = m(g - a)

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