A body $B$ lies on a smooth horizontal table and another body $A$ is placed on $B$. The coefficient of friction between $A$ and $B$ is $\mu $. What acceleration given to $B$ will cause slipping to occur between $A$ and $B$
  • A$\mu g$
  • B$g/\mu $
  • C$\mu /g$
  • D$\sqrt {\mu g} $
Medium
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