Three forces acting on a body are shown in the figure. To have the resultant force only along the $y-$ direction, the magnitude of the minimum additional force needed is.........$N$ 

818-1293

  • A

    $\frac{{\sqrt 3 }}{4}$

  • B

    $\sqrt 3$

  • C

    $0.5$

  • D

    $1.5$

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