Definition:Antiparallel Vectors

Definition

Let $\mathbf u$ and $\mathbf v$ be vector quantities in space such that:

the lines of action of $\mathbf u$ and $\mathbf v$ are the same or parallel

their directions are opposite.

Then $\mathbf u$ and $\mathbf v$ are antiparallel.

Also see

• Results about antiparallel vectors can be found here.

Sources

• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): antiparallel vectors
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): antiparallel vectors