Question

A human dead body will float on water.But the same body will sink if he was alive.Why?

Answer 1

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Because we observe buoyancy in water means upward force

When we are dead our body get relaxed and there is no motion so our body starts floating

Answer 2

Answer:

because when the human body alive it have more mass whereas the dead body... have less mass then alive... ....... so dead body float and alive body sink.... it is due to law of floatation