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Why does a block of plastic released under water come up to th... - Science
Question
Why does a block of plastic released under water come up to the surface of water?
Answer
A block of plastic released under water comes up to the surface because:
The density of plastic is less than the density of water.
Therefore, the upward buoyant force exerted by the water is greater than the weight of the plastic block.
This difference creates a net upward force that pushes the block up to the surface.