A body of mass $1\, kg$ lies on smooth inclined plane. The body is given force $F = 10N$  horizontally as shown. The magnitude of net normal reaction on the body is 

814-628

  • A

    $10 \sqrt 2 \,N$

  • B

    $\frac{10}{\sqrt 2} \,N$

  • C

    $10\,N$

  • D

    None of these

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