Question

When a greased iron needle is placed gently on the surface of water at rest, it floats on the surface of water. Why? ​

Answer 1

HEYA!

ANSWER - :

✔ If we gently place a greased iron needle on the surface of the water at rest then the needle floats on the surface , inspite of the fact that iron is denser than water .

✔This happens because the needle depresses the surface of the water a little.

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Answer 2

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☆If we gently place a greased iron needle on the surface of the water at rest then the needle floats on the surface , inspite of the fact that iron is denser than water .

☆This happens because the needle depresses the surface of the water a little .