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In this topic we will stay about different types of vectors like unit, free , null vector, like , unlike, coplanar, position, initial, proper, negative and equal vectors. Further, we will learn with examples to get better understandings.

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## Types of vectors

In general vectors may be divided into three types.

- Proper vectors
- Axial vectors
- Inertial or pseudo vectors

## Proper vectors

Displacement ,force,momentum etc are the proper vectors.

## Axial vectors

The vectors which act along the axis of rotation are called axial vectors.For example ,angular velocity,torque,angular momentum,angular acceleration are axial vectors.

## Pseudo or inertial vectors

The vectors used to make an inertial frame of reference into inertial frame of reference are called pseudo or inertial vectors.Vector may be further divided as:

### Unit vectors

A unit vector is that whose magnitude is unity i.e 1 and has any given direction only.A unit vector is obtained by dividing the vector with magnitude.

### Free vector

A vector which can be displaced parallel ti itself and applied at any point is called a free vector.

### Position vector

A vector that represents the position of a point with reference to a fixed point is called position vector

### Negative vector

A vector having the same magnitude as that of given vector but opposite direction is called negative vector.

### Null vector

- A vector whose magnitude is zero and has no direction,it may have all directions is said to be a null vector.A null vector can be obtained by adding two or more vectors.
### Like or parallel vectors

If two vectors have the same direction but different magnitude are called parallel or like vectors.

### Unlike vectors

Two vectors having opposite directions and unequal magnitudes are called unlike vectors.

### Equal vectors

Two vectors are said to be equal if they have equal magnitudes.

### Co -initial vectors

If vectors have a common initial point,then these types of vectors are called co initial vectors.

### Co-linear vectors

Vectors are called co-linear if they have in same line or parallel.

### C0-planar vectors

- Vectors which are lying in same plane are called co- planar vectors.

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