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Pressure in liquid change linearly with depth.

The pressure at depth 'd' in a liquid of density 'ρ' is:

where

P = pressure

ρ = density of liquid

g = acceleration due to gravity

d = depth

The pressure at depth 'd' in a liquid of density 'ρ' is:

where

P = pressure

ρ = density of liquid

g = acceleration due to gravity

d = depth

Hydrostatic Pressure in a liquid is the pressure at a point in liquid when the liquid is not flowing.

Hydrostatic pressure at a point at a depth of h, from the surface of liquid of density ρ at a location with gravity g = P2 = ρ g h + P1

where P1 = pressure of the gas or air above the surface of the liquid

The excess pressure due to the depth in a liquid varies as ρ g h.

This pressure is due to the weight of the column of liquid above the point under consideration. P2 - P1 = mass * g / Area = ρ (A h) * g / A = ρ g h

Hydrostatic pressure at a point at a depth of h, from the surface of liquid of density ρ at a location with gravity g = P2 = ρ g h + P1

where P1 = pressure of the gas or air above the surface of the liquid

The excess pressure due to the depth in a liquid varies as ρ g h.

This pressure is due to the weight of the column of liquid above the point under consideration. P2 - P1 = mass * g / Area = ρ (A h) * g / A = ρ g h