A conical tank with a bottom opening of cross-sectional area A is fill – McqOptions

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1.	A conical tank with a bottom opening of cross-sectional area A is filled with water and is mounted on supports as shown in the figure. What is the force F with which plate X must be pushed up to prevent water from leaking ? Assume that the density of air is negligible as compared to the density of water ?L.
A.	?L . V g
B.	?L . A.H g
C.	?L . V g /2
D.	?L .V g /3
Answer» C. ?L . V g /2

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