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Question

A cone of radius R and height H, is hanging inside a liquid of density rho by means of a string as shown in the figure. The force, due to the liquid acting on the slant surface of the cone is

  1. rho pi g H R to the power of 2 end exponent    
  2. pi rho H R to the power of 2 end exponent    
  3. fraction numerator 4 over denominator 3 end fraction pi rho g H R to the power of 2 end exponent    
  4. fraction numerator 2 over denominator 3 end fraction pi rho g H R to the power of 2 end exponent    

The correct answer is: fraction numerator 2 over denominator 3 end fraction pi rho g H R to the power of 2 end exponent

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