Why iron nail sinks and a cork floats when placed on the surface of water?
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A cork floats in water while the iron nail sinks bcoz the density of cork is less than that of water.
Thus,the upthrust of water on the cork is greater than the weight of the cork.
Hence,it floats.
Thus,the upthrust of water on the cork is greater than the weight of the cork.
Hence,it floats.
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