Mathematics for IGCSE & O level - Vectors (Section 2 - No. 29)
If \(\vec{p} + \vec{q} = \vec{0}\), what is the relationship between \(\vec{p}\) and \(\vec{q}\)?
They are parallel.
They are equal in magnitude and opposite in direction.
They are equal in magnitude and the same direction.
They are perpendicular.
Explanation
If p+q=0, then p = -q which means the vectors are opposite in direction and equal in magnitude.
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