it is easier to lift a stone under water. explain.
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Answered by
1
because under water the gravitational force of earth decreases
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2
because force of buoyancy applied on a 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 that why it is easier to lift a stone under water.
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 that why it is easier to lift a stone under water.
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