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E10 A 0.47-kg block of wood is floating in water. What is the magnitude of the buoyant force acting on the block?
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Answer #1

The block can float in water when the buoyant force acting on it is equal to its own weight.

ie, Buoyant force B= Weight of the block W=mg=0.47kg*9.81m/s2=4.6107N

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