Chapter - 3 Gravitation

Q&A -Ask Doubts and Get Answers



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


The density of plastic is lesser than that of water. Therefore, the force of buoyancy on the plastic block will be greater than the weight(gravitational pull) of the plastic block. Hence, the acceleration of the plastic block is going to be in the upward direction. So, the plastic block comes up to the surface of water.

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