Three masses of $16, 8$ and $4\,kg$ are placed in contact as shown in figure. If a force of $140\,N$ is applied on $4\,kg$ mass, then the force on $16\,kg$ will be  ............ $ N$

826-932

  • A

    $140$

  • B

    $120$

  • C

    $100$

  • D

    $80$

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