Q.

Here figure shows the vertical cross-section of a vessel filled with a liquid of density ρ. The normal thrust per unit area on the walls of the vessel at point P, as shown will be

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a

(Hh)ρgcosθ

b

Hρg

c

hρg

d

(Hh)ρg

answer is C.

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Detailed Solution

Depth of P below the free surface of water in the vessel =(Hh)

Since the liquid exerts equal pressure in all directions at one level, hence the pressure at P=(Hh)ρg.

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Here figure shows the vertical cross-section of a vessel filled with a liquid of density ρ. The normal thrust per unit area on the walls of the vessel at point P, as shown will be