Why is a force needed to keep a block of wood inside water?
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Explanation:
Why is a force needed to keep a block of wood inside water? Solution: An upward force, an upthrust is required to keep a block of wood in water as the upthrust due to water on the block when it is completely submerged is much more than its weight.
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The density of wood is less than that of water which makes it float on water.Therefore a force is needed to keep a block of wood inside water.
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