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CBSE Class 10 Answered

If upthrust is an action, what is the reaction ? This reaction is on what and by what ?
Asked by | 31 Dec, 2008, 01:39: PM
answered-by-expert Expert Answer

If you think of the weight of the object as an action and the buoyant force as a reaction, it is not fully correct. This is because the action and reaction should be equal and opposite to each other.


But if a body is submerged in a different liquid, the buoyant force will be different. The buoyant force is the weight of the fluid displaced and it is not equal to the weight of the body that is acting downwards.

Answered by | 16 Jan, 2009, 10:48: AM

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