Question

When we immerese an empty plastic bottle in a bucket ,it comes above the surfave of water. why does this happn?

Answer 1

Hey friend,

This is because of buoyancy. Which means pushing something in upward direction. This is also called buoyant forcr which means in thrust.

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Answer 2

because of the buoyant force. when the plastic bottle is immersed, it gives a force down towards the water. the water exerts a force upwards called buoyant force.