Buoyancy is the tendency for materials to rise or float in fluid. Another name for buoyancy is “the anti gravity force”. The gravity pulls down and buoyancy pushes up so it evens out. Archimedes' principle indicates that the upward buoyant force that is exerted on a body immersed in a fluid, whether fully or partially submerged, is equal to the weight of the fluid that the body displaces.
Moving nutrients in our blood stream, pollen floating through air, planes and boats transporting goods all rely on buoyancy to work.
BUOYANCY
If the average density (the
total mass of the substance
and everything on it divided
by the total volume) is less
than the density of the fluid
then it will float.
Blimps use them to fly. Swim
bladders control their
elevation. Buoyancy pushes
things up well gravity pulls
things down.
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