Question

Define unit vector and null vector

Answer 1

Answer:

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

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=> (1) The vector possessing magnitude equal to one and same direction as that of the given vector is known as a unit vector. It is denoted as A^. (2) Zero vector or null vector is the vector whose magnitude is zero and has no any sense of direction. 1.