the coefficient of static friction between block A of mass 2 kg and the table is 0.1. what would be the maximum mass of block B so that two blocks do not move? the string and the pulley are assumed to be smooth and massless? tak g =10 m per second square

Dear Arup,

The details given in the question are incomplete , Its not given if the other block is inclined or hanging or just placed.

Best Of luck

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Apply Condition of no slipping 

T < 0.1* N

  Tmax   = 0.1 * 20

             = 2

Tmax = Mmax * g

2 = M*10

M = 0.2