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A solid of mass 220 kg and density 1.1gcm^{−3} is completely immersed in water, then the buoyancy force acting on it is?

(A)242 N (B)200 N (C)2000 N (D)2420 N



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   volume of solid = 220 kg / (1.1 * 1000) kg/cubic meter
       = 0.2 cubic meter

 buoyancy force = weight of fluid displaced
      = 0.2 cub meter * 1000 kg/cub meter * g
         = 2000 Newtons  ,        g = 10 m/sec/sec

2 5 2
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