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. ... As the point moves, the position vector will change in length or in direction or in both length and direction.

Answer 2

Unit vector:

》a vector which has a magnitude of one.

Null vector:

》A null vector is a vector that has magnitude equal to zero and is directionless. It is the resultant of two or more equal vectors that are acting opposite to each other.

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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