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  4. A body floats in a liquid contained in a beaker. The whole system shown in the figure is falling under gravity. The upthrust on the body due to liquid is: <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/p-svwvvflleyo8cwqz.jpg />

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Q. A body floats in a liquid contained in a beaker. The whole system shown in the figure is falling under gravity. The upthrust on the body due to liquid is:
Question

NTA AbhyasNTA Abhyas 2022

Solution:

As system is falling freely under gravity, hence effective value of acceleration of the system is zero. Hence, upthrust on the body due to liquid is also zero.