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Illustration Hydrostatic pressure (gravity pressure)

Hydrostatic pressure (gravity pressure)
Buoyant Force (Archimedes' principle)

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A pressure \(\Pi\) acts on a body in a liquid with mass density \(\rho\), which is at height \(h\). The body experiences gravitational acceleration \(g\). The pressure depends on these three quantities:\[ \Pi ~=~ \rho \, g \, h \]