As shown in the figure, two equal masses...

As shown in the figure, two equal masses each of `2kg` are suspended from a spring balance. The reading of the spring balance will be.

A

Zero

B

2 kg

C

4 kg

D

4 kg

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The correct Answer is:

B

In this case, one 2 kg wt on the left will act as the support for the spring balance. Hence its reading will be 2 kg.

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