Physics-
General
Easy

Question

Two blocks ' A ' and ' B ' each of mass ' m ' are placed on a smooth horizontal surface. Two horizontal force F and 2 F are applied on both the blocks ' A ' and ' B ' respectively as shown in figure. The block A does not slide on block B. Then the normal reaction acting between the two blocks is:

  1. F    
  2. F/2    
  3. fraction numerator F over denominator square root of 3 end fraction    
  4. 3 F    

The correct answer is: 3 F

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