19-02-2020
Physics

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Why might a tightly crumpled ball of foil sink, but a flat piece of foil of the same mass float in water?

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19-02-2020

Answer:

This is because of surface tension. A flat piece of tinfoil has a lot of surface covered so it's much harder to break the surface tension.

Explanation:

The image below shows a water bug floating on water. This is because of surface tension. its legs don't break it so it stays afloat like a flat piece of tinfoil

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