Accepted Answer
That completely depends on all sizes and all directions of all of the vectors that combined to produce the resultant one.
Suggested Answer
It depends. I do not know if you are adding vectors in 1D, 2D or even 3D. In 1D: its direction is along the x axis if its positive, otherwise it is in the opposite directionIn 2D: its direction is along the x or y axis if its component is positive, otherwise it is in the opposite directionIn 3D: its direction is along the x, y or z axis if its component is positive, otherwise it is in the opposite direction
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