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Question
The ratio of the weight of a man in a stationary lift and when it is moving downward with uniform acceleration ‘a’ is 3:2. The value of ‘a’ is (g – Acceleration due to gravity on the earth)
The ratio of the weight of a man in a stationary lift and when it is moving downward with uniform acceleration ‘a’ is 3:2. The value of ‘a’ is (g – Acceleration due to gravity on the earth)
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Solution
The correct option is B
weight of a man in stationary liftweight of a man in downwardmoving lift=mgm(g−a)=32gg−a=32⇒2g=3g−3a or a=g3
weight of a man in stationary liftweight of a man in downwardmoving lift=mgm(g−a)=32gg−a=32⇒2g=3g−3a or a=g3
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