A body of mass $2 \,kg$ is kept by pressing to a vertical wall by a force of $100\, N$. The coefficient of friction between wall and body is $0.3.$ Then the frictional force is equal to ........ $N$

  • A

    $6$

  • B

    $20$

  • C

    $600$

  • D

    $700$

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  • [JEE MAIN 2014]

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