Buoyancy: Difference between revisions
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'''Buoyancy''' is the upward force exerted on an objects is partially or completely immersed in a [[fluid]]. In order for a buoyant force to exist, the object must be of lower [[density]] than the surrounding fluid and both fluid and object must be subject to [[gravity]]. | '''Buoyancy''' is the upward force exerted on an objects is partially or completely immersed in a [[fluid]]. In order for a buoyant force to exist, the object must be of lower [[density]] than the surrounding fluid and both fluid and object must be subject to [[gravity]]. | ||
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[[Archimedes]] was the first person to describe buoyancy. As a result, the fundamental description of buoyancy is called Archimedes' principle. | [[Archimedes]] was the first person to describe buoyancy. As a result, the fundamental description of buoyancy is called Archimedes' principle. | ||
Revision as of 15:13, 27 January 2008
Buoyancy is the upward force exerted on an objects is partially or completely immersed in a fluid. In order for a buoyant force to exist, the object must be of lower density than the surrounding fluid and both fluid and object must be subject to gravity.
Buoyancy is the method by which ships are made to float. Likewise, buoyancy is used to keep aircraft such as balloons and airships aloft.
Archimedes was the first person to describe buoyancy. As a result, the fundamental description of buoyancy is called Archimedes' principle.