If a stream of air is blown under one of the pans of a physical balanc – InterviewSolution

InterviewSolution

1.	If a stream of air is blown under one of the pans of a physical balance in equilibrium, then the pan will ……..(a) go up (b) go down (c) not be affected (d) go up or down depending on the velocity of the stream
Answer» Correct answer is (b) go down

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