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PhysicsFluidPressureMedium2 minQB

PhysicsMediumsingle choice

An incompressible liquid of density $ρ$ is contained in a vessel of uniform crosssectional area A . If the atmospheric pressure is P , then the force acting on a horizontal plane of area a situated at a depth d in liquid is given by -

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Answer:

Solution:

The total pressure at depth $d$ is $P_{t o t a l} = P + ρ g d$ . The force on area $a$ is $F = P_{t o t a l} \times a$ . Thus, $F = (P + ρ g d) a$ .

Stream:JEESubject:PhysicsTopic:FluidSubtopic:Pressure

⏱ 2mℹ️ Source: QB

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