The law of floatation

Floatation:- When a body is immersed in a liquid, then two forces act on it, which are….

i) The weight of the (w, vertically downward)

ii) The upthrust or force of buoyancy ( F, upward)

 

 

Law of Floatation:- A body will float in a liquid if the weight of the body is equal to the weight of the liquid displaced by the immersed part of the body.

 

i) If the buoyant force or upthrust exerted by the object is less than the weight of the object (F<w), the object will sink in liquid.

ii) If the buoyant force is more than the weight of the object (F=w), the object will float inside the liquid.

iii) If the buoyant force is more than the weight of the object (F>w), the object will rise with some of its part outside the liquid.

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