Question

Why does a needle sinks in water and a matchstick floats?

Answer 1

Answer:

because the density of needle is larger then matchstick so it floats

Explanation:

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Answer 2

Answer:

Explanation:

The Physics

Metal is more dense than water and hence will sink. However a needle can be made to float on the water if it does not break the surface. The surface of water acts like a stretched skin (trampoline) and the needle sits on it.