physique chimie college lycee
BUOYANCY 

 

BUOYANCY

ARCHIMEDES PRINCIPLE

 

 

Description: Explain qualitatively the origin of BUOYANCY. Use the vector expression of BUOYANCY. Implement a device to test or exploit the expression of BUOYANCY.


Definition
Buoyancy: Buoyancy or upthrust, is an upward force exerted by a fluid that opposes the weight of a partially or fully immersed object.

Archimede's principle: Any object, wholly or partially immersed in a fluid, is buoyed up by a force equal to the weight of the fluid displaced by the object.

Fb = - ρfluid . Vfluid . g

 

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