Physics-
General
Easy

Question

A block of mass m is placed on a wedge of mass 2m which rests on a rough horizontal surface. There is no friction between the block and the wedge. The minimum coefficient of friction between the wedge and the ground so that the wedge does not move is

  1. 0.167    
  2. 0.2    
  3. 0.23    
  4. 0.33    

The correct answer is: 0.2

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