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A cylindrical container of length L is full of a liquid which has mass density ρ. It is placed on a weigh-scale; the scale reading is W. A ball which would float on the liquid if allowed to do so, of volume V and mass m is pushed gently down and held beneath the surface of the liquid with a rigid rod of negligible volume as shown.

What is the reading of the scale when the ball is fully immersed?

A)     W+ρVg

B)      W

C)      W+mg-ρVg

D)     None of these

 

Aditi Chauhan , 11 Years ago
Grade 10
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