Buoyancy
The resultant force on a submerged body
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The resultant force acting on a submerged body by the fluid is called the buoyant force and can be expressed as
F = V γ
= V ρ g (1)
where
F = buoyant force (N)
V = body volume (m3)
γ = specific weight of fluid (N/m3)
γ = specific weight of fluid (N/m3)
ρ = density of fluid (kg/m3)
g = acceleration of gravity (= 9.81 m/s2)
The buoyant force acts upwards.
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