A. Define buoyance and buoyant force. B. State Archimedes principle. Give its two applications??
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Archimedes' principle:-
When an object is wholly or partially immersed in a liquid,it experiences a buoyant force which is equal to the weight of liquid displaced by the object.In other words:
Buoyant force acting = Weight of liquid
on an object displaced by that object
Applications:-
1.Archimedes' principle is used in determining the relative density of a substance.
2.Archimedes' principle is used in designing ships and submarines.
Buoyancy:-
The tendency of a liquid to exert an upward force on an object placed in it,is called buoyancy.
Buoyant force:-
The upward force acting on an object immersed in a liquid is called buoyant force.
When an object is wholly or partially immersed in a liquid,it experiences a buoyant force which is equal to the weight of liquid displaced by the object.In other words:
Buoyant force acting = Weight of liquid
on an object displaced by that object
Applications:-
1.Archimedes' principle is used in determining the relative density of a substance.
2.Archimedes' principle is used in designing ships and submarines.
Buoyancy:-
The tendency of a liquid to exert an upward force on an object placed in it,is called buoyancy.
Buoyant force:-
The upward force acting on an object immersed in a liquid is called buoyant force.
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➡Archimedes' principle states 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 and acts in the upward direction at the center of mass of the displaced fluid.
➡ in a fluid, whether fully or partially submerged, is equal to the weight of the fluid that the body displaces and acts in the upward direction at the center of mass of the displaced fluid.
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