The Physics
Hypertextbook
Opus in profectus

Buoyancy

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Summary

Buoyancy and density
densities B > Wobject B = Wobject B < Wobject
ρobject < ρfluid object rises
(wholly immersed )
float on surface
(partly immersed)
ρobject = ρfluid neutral buoyancy
(wholly immersed)
ρobject > ρfluid object sinks