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9. When a copper body is immersed in water it displaces 20 kg of water. How much is the buoyant force acting on the copper body in newtons ? (g = 10 m/s)Ans-400 |
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Answer» Answer: According to ARCHIMEDES' principle, this buoyant FORCE is equal to the weight of the water that got displaced by the IMMERSION of the OBJECT in it. ∴ the buoyant force acting on the object is obtained to be Fb=200N . So the correct OPTION is B. Explanation: |
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