Question

why does a block of plastic released under water come up to the surface of water

Answer 1

Hello mates,

The plastic ball comes up to the surface of the water due to the buoyant force acting on,and as well as the density of the ball is less than that the density of water.

This is the reason why the plastic ball bounce back to the surface .

Thanks for questioning..

Answer 2

Answer:

1. the density of plastic is less than water which result in a upward buoyant force thus pushing the plastic block the surface of the water