. A light cylindrical vessel is kept on a horizontal surface. Its base area is A. A hole of cross-sectional area a is made just at its bottom side

The minimum coefficient of friction necessary to prevent sliding of the vessel due to the impact force of the emerging liquid is (a=A)

A. varying 

B. a/A

C. 2a/A

D. None of these


Best Answer

Ans: C

Sol: The velocity of efflux of the liquid is given as


The reaction force of the emerging liquid on the vessel + liquid content is equal to  



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