A body floats in liquid contained in a beaker. The whole system falls under gravity. The upthrust on the body due to the liquid is
A
zero
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B
equal to the weight of the liquid displaced.
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C
equal to the weight of the body in air.
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D
equal to the weight of the immersed portion.
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Solution
The correct option is A zero During the systems falls freely under gravity the molecules of liquid and the body which is dipped in the liquid hare same acceleration so the body will not apply any force on liquid thus there is no acting between them.