Forces ${F_1}$ and ${F_2}$ act on a point mass in two mutually perpendicular directions. The resultant force on the point mass will be

  • A
    ${F_1} + {F_2}$
  • B
    ${F_1} - {F_2}$
  • C
    $\sqrt {F_1^2 + F_2^2} $
  • D
    $F_1^2 + F_2^2$

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