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A body floats in a liquid contained in a...

A body floats in a liquid contained in a beaker. The whole system as shown in the figure falls freely under gravity. The upthrust on the body is

A

Zero

B

Equal to the weight of the liquid displaced

C

Equal to the weight of the body in air

D

Equal to the weight of the immersed portion of the body

Text Solution

Verified by Experts

The correct Answer is:
A
The whole system falls freely under gravity. Upthrust = weight of fluid displaced = (mass of fluid displaced) `xxg_(eff)` for a freely falling body, `g_(eff)=0`. Therefore upthrust=0
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