First slide

Pressure in a fluid-mechanical properties of fluids

Question

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 the liquid is $(g = 10 {ms}^{- 2})$

Moderate

A

3.6 N
B

7.2 N
C

9.0 N
D

14.4 N

Solution

Force acting on the base
$F = P \times A = hdg A = 0 .4 \times 900 \times 10 \times 2 \times 10^{- 3} = 7 .2 N$

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