If a ball is floating in water with a proportion of it immersed in water , is pushed down to the bottom of the beaker by an external force , What is the upthrust acting on ball ?
(1) Equal to the weight of the ball
(2) Greater than the weight of the ball
(3) Lower than the weight of the ball
(4) First Greater , then lower of the weight of the ball
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Answer:
2) greater than the weight of ball
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