Physics, asked by vihaan1670, 8 days ago

Explain why is it easier to lift a stone underwater than in the air?


Answered by Chikuπ
According to Archimedes principle, a body when immersed in a fluid shows an apparent loss of weight which is equal to the weight of the fluid displaced by the body. So a heavy stone when under water, is acted upon by upthrust due to water , which ultimately reduces the true weight of the stone.

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Answered by fishori
force of buoyancy apply on stone.
let stone mass=m kg
so weight =mg N
but in water 
weight of stone =(mg-X)N
where X is force of buoyancy 
here we see why is it lift stone under water. 
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