Why a block of plastic when released under water come up to the surface of water?
ScienceClass 9CBSEAnswered 27 Mar 2026
Answer
The density of plastic is lesser than that of water. Therefore, the force of buoyancy on plastic block will be greater than the weight of plastic block. Hence, the acceleration of 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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