Why does a block of wood come up to the surface when it is immersed in a fluid?
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Question : Why does a block of wood come up to the surface when it is immersed in a fluid?
Answer : The density of water is more than the block of wood. So, the buoyant force in water is greater than that of the force exerted by the wood block. Therefore, whenever a block of wood is immersed, it comes back to the surface.
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Explanation:
When it is put completely in water, buoyant force on it becomes more than its weight. Thus, when it is released, it comes up to the surface of the water due to a net upward force acting on it.
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