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A spring balance P is suspended from a r...

A spring balance P is suspended from a rigid support. Another identical spring balance Q is fastened to the hook of the balance P and a body of weight 2 kgf is attached to the spring balance Q. Then,

A

both P and Q will read 2 kgf.

B

both P and Q will read 1 kgf.

C

P will read 2 kgf, while Q will read zero.

D

P will read zero, while Q will read 2 kgf.

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