# What is a direction vector?

##### 1 Answer

May 31, 2015

The direction of a vector is the direction along which it acts.

It has a certain magnitude.

For example, we say 10 N force in the east.

Here, 10 N is the magnitude and towards the east is the direction.

The direction is specified using a unit vector.

Let **n** be a unit vector along a certain direction and **n** is defined as,

**A** = **n**