Physics-
General
Easy

Question

A blankbody of mass m rests on horizontal surface. The coefficient of friction between the body and the surface is if the body is pulled by a force P as shown in figure the limiting function between body and surface will be

  1. mg.  
  2. open square brackets m g plus fraction numerator P over denominator 2 end fraction close square brackets  
  3. open vertical bar m g minus fraction numerator P over denominator 2 end fraction close vertical bar  
  4. open square brackets m g minus fraction numerator square root of 3 P over denominator 2 end fraction close square brackets  

The correct answer is: mg.

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