Hydrostatic buoyant force
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Fvz = ρ · g · V
Fvz = hydrostatic buoyant force,
ρ = fluid density,
V = volume of the displaced fluid (of the submerged part of the body),
g = gravitational acceleration ≈ 9.81 m/s².
A body submerged in a fluid is buoyed up by a hydrostatic buoyant force whose magnitude equals the weight of the fluid displaced by the submerged part of the body.
The body is acted on by the gravitational force FG vertically downward and, once it is submerged in a fluid, also by the hydrostatic buoyant force Fvz vertically upward.
Buoyant force Fvz
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| Fluid density ρ | – |
| Volume of the submerged part V | – |
| Buoyant force Fvz | – |
A body submerged in a fluid is pushed upward by the buoyant force Fvz.
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