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good question..
first i want to say why a body floats in any liquid?the answer is it only due to the density.If the density if the body is less than that of the liquid then the body floats in that particular liquid.there is nothing to do with the weight.Yes we can say that the density is directly propertional to the mass but yes that is also inversely propertional to the volume.the relationship is given as ,
density=(mass)/(volume)
now come to the ice and water.as the density of the ice is less than that of the water so the ice floats in the water.
now a question arises how i know that the density of ice is less that that of the water?we know if the same amount of the water coverts to the solid form(ice) then the volume increases but the mass is same so acording to the relation the density decreases.
I think u got the answer.
- Because of the lower density in ice, pressure is altered (P=pgh) where height is the depth of water. Because the pressure is greater at the bottom of the ice than the top (greater h), an unbalanced, upwards force, a.k.a buoyancy, is exerted. Therefore ice floats on water
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