A uniformly tapering vessel is filled with a liquid of density 900 kg/m3 . The force that acts on the base of the vessel due to liquid is

Q: A uniformly tapering vessel is filled with a liquid of density 900 kg/m3 . The force that acts on the base of the vessel due to liquid is (g = 10 ms-2)

Numerical

(a) 3.6 N

(b) 7.2 N

(c) 9.0 N

(d) 14.4 N

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Ans: (b)

Sol: F = P × A

F = ρ g h × A

F = 900 × 10 × 0.4 × 2 × 10-3

F = 7.2 N