On a smooth plane surface (figure) two block $A$ and $B$ are accelerated up by applying a force $15\, N$ on $A$. If mass of $B$ is twice that of $A$, the force on $B$ is  ........... $N$

534-136

  • [AIIMS 2012]
  • A

    $30$

  • B

    $15$

  • C

    $10$

  • D

    $5$

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