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A man standing in a lift holds a spring ...

A man standing in a lift holds a spring balance with a load of 5 kg suspended from it. What would be the reading of the balance when the lift is descending with an acceleration of `4ms^(-2)` ?

A

1 kg

B

2 kg

C

3 kg

D

4 kg.

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • The reading of a spring balance when a block is suspended from it in air is 60 N. This reading is changed to 40 N when the block is submerged in water. The specific gravity of the block must be therefore :

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