A body is at rest under the action of three forces, two of which are ${\vec F_1} = 4\hat i,\,{\vec F_2} = 6\hat j,$ the third force is

  • A

    $4\hat i + 6\hat j$

  • B

    $4\hat i - 6\hat j$

  • C

    $ - 4\hat i + 6\hat j$

  • D

    $ - 4\hat i - 6\hat j$

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