The ratio of the weight of a man in a stationary lift and when it is moving down

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)

Options:

A . 32g

B . g3

C . 23g

D . g

Answer: Option B
:
B

\frac{w e i g h t o f a m a n i n s t a t i o n a r y l i f t}{w e i g h t o f a m a n i n d o w n w a r d m o v i n g l i f t} = \frac{m g}{m (g - a)} = \frac{3}{2} \frac{g}{g - a} = \frac{3}{2} \Rightarrow 2 g = 3 g - 3 a o r a = \frac{g}{3}

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