Linked from
The 24 pages that link to Vector addition, each with the reason it gives.
VectorRelated: Adding displacement vectors yields the net displacement along a path.
Dot productRelated: Bilinearity means dot products distribute over vector sums.
Linear combinationRelated: The terms of a linear combination are joined by vector addition.
DisplacementRelated: Successive displacements add to give the net change in position.
AdditionBroader topic: It extends addition from scalar quantities to directed quantities.
MidpointRelated: A midpoint vector can be found by adding endpoint position vectors and halving.
Vector geometryRelated: Adding displacements constructs longer paths and parallelograms.
Resultant forceRelated: Forces combine component by component to produce the resultant.