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Question

A man of mass M stands on a weighing machine in an elevator accelerating upwards with an acceleration a0 . Calculate the reading of the weighing machine



Your Answer
A

M(g-a)

Correct Answer
B

M(g+a)

Your Answer
C

M

Your Answer
D

None


Solution

The correct option is B

M(g+a)



Using Newton's second law,

N - Mg = Ma

N = M(g+a) Which is equal to reading of the machine.

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