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Spring Block's Time Period

If a 5 kg m...

Question

If a $5 k g$ mass is suspended by a spring balance in a lift which is accelerating downwards at $10 m / s^{2}$ . The reading of the balance is $(g = 10 m / s^{2})$ :

A

more than

5 k g . w t

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B

is less than

5 k g . w t

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C

is equal to

5 k g . w t

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D

z e r o

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Solution

The correct option is D $z e r o$
Reading $N = m (g - a) = 5 (10 - 10) = 0$

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