Equal vectors, null vector, unit vectors, position vector, like and unlike vectors,collinear and parallel vectors

Define unit vector, null vector and position vector .

Define unit vector, null vector and posi-tion vector .

What is null vector ?

The unit vector parallel to vecA is

List out the conditions of Magnitude and Direction for the following vectors: (i) Equal vectors. (ii) Parallel vectors. (iii) Opposite vectors. (iv) Anti-parallel vectors. (v) Aparallel vectors.

Express the vector in unit - vector notation.

What is a null vector? Define a unit vector.

A unit vector parallel to vector vecV=(2,-3,6) is vector