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A spring balance is attached to the ceil...

A spring balance is attached to the ceiling of a lift. A man hangs his bag on the spring and the spring reads 49 N, when the lift is stationary. If the moves downwards with an acceleration of 5 `ms^-2`, then reading of the spring balance will be

A

24 N

B

74 N

C

15 N

D

49 N

Text Solution

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The correct Answer is:
A
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