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Question
Give reason why a block of plastic when released under water comes up to the surface if water
Give reason why a block of plastic when released under water comes up to the surface if water
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Solution
Most commonly the density of the plastic is less than that of water. Therefore, it will come up to the surface of the water, due to the buoyancy. An object immersed in a fluid experiences an upward force or buoyancy. This force opposes the weight of the object. Buoyancy is also known as up thrust.
Most commonly the density of the plastic is less than that of water. Therefore, it will come up to the surface of the water, due to the buoyancy. An object immersed in a fluid experiences an upward force or buoyancy. This force opposes the weight of the object. Buoyancy is also known as up thrust.
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