Question

define unit vector null vector and position vector

Answer 1

UNIT VECTOR- a vector which has a magnitude of one.

NULL VECTOR- Null vector is a vector with a zero magnitude. 

POSITION VECTOR- Position vector, straight line having one end fixed to a body and the other end attached to a moving point and used to describe the position of the point relative to the body. As the point moves, the position vector will change in length or in direction or in both length and direction.

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Answer 2

The definition of unit vector, null vector and position vector is:

Unit vector:

The unit vector in Physics  can be determined as follows:

• To get the unit vector ‘p’, on the same side of the ‘q’ vector, we divide the vector by its size.

Null vector:

• In physics the null is a point in a field where the field value is zero as a result of two or more opposing values completely cancelled.
• The field can be scalar, vector or natural tensor.

Vector Vacation:

• In this course, we will learn what a venue vector is and how to obtain a vector venue location between two points.

• The vector starting from the source (O) is called the position vector.
• In the following diagram, point A has a vertical vector and point B is a point b.