why do needle floats in water
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usually needles sink into water becoz they have high density than water but when it is put horizontally,the pressure exerted by the needle is weaker than surface tension ,,,so it floats on water
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Answer: hey Your answer is here
Explanation:
This simple demonstration is about surface tension of water. Usually metal needles sink into water because they have higher density than that of water. However, when it is put horizontally, the pressure exerted by the neeble is weaker than the surface tension, so it can float.
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