OpenStudy (anonymous):
why buoyant force is equal to weight of water displaced
OpenStudy (amistre64):
isnt weight a force? so id say something about equal/opposite reactions....
OpenStudy (amistre64):
butthats just an idea, may not be fully accurate tho
OpenStudy (anonymous):
The pressure in a liquid depend on the depth. When an object is submerged part of it is at a greater depth. The pressure is exerted on every point of the surface of the object.Since the object has some height part of it the bottom is deeper and that part of the surface feels a higher pressure and therefore a higher force than the top. Thus any object feels lighter in water compared to air. Depending on the volume of water that is displaced the force can be greater than the weight of the object so part of the object will be above the water surface i.e. it is floating.
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