define buoyant force
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It is an upward force exerted by fluid that opposes the weight of an immerged object. It is also known as upthrust force
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The upward force which act on any object immersed in a liquid is known as bouyant force.
Factors affecting bouyant force are :-
(i) volume of object imerged in the liquid,
(ii) density of the liquid
Information beyond the question
The magnitude of the buoyant force is given by Archimedes ' principal.
According to this principal
Buoyant force acting on an object = weight of liquid displaced by that objects
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