why do pin sinks in water?
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A metal needle or paper clip has higher density that that of water. So when it is dropped into water, it falls down into the bottom of water. However, if we put it horizontally on the water with a lot of caution, it can float almost forever due to the surface tension of water.
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1
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A metal needle and a paper clip has higher density that of water . So when it is dropped into water , it falls down in bottom of the water .
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