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A man is standing on a weighing machine placed in a lift. When stationary his weight is recorded as 40 kg . If the lift is accelerated upwards with an acceleration of `2m//s^(2)` , then the weight recorded in the machine will be `(g=10m//s^(2))`

A

48 kg wt

B

32 kgwt

C

42 kg wt

D

40kgwt

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SL ARORA-Laws of Motion-Exercise
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