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A person of mass 60 kg stands on a weigh...

A person of mass 60 kg stands on a weighing machine in a lift which is moving
a) upwards with a uniform retardation of `2.8 ms^(-2)`.
b) downwards with a uniform retardation of `2.2 ms^(-2)`. Find the reading shown by the weighing machine in each case

A

420 N, 720 N

B

320 N , 520 N

C

720 N , 420 N

D

640 N , 720 N

Text Solution

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The correct Answer is:
A
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