A vector is added to an equal and opposite vector of similar nature, forms a ........
Unit vector
Position vector
Null vector
Displacement vector
What is unit vector ? Explain.
The value of a unit vector in the direction of vector $A = 5\hat i - 12\hat j,$ is
Distinguish between Vector quantity and a Scalar quantity.
What is position vector ? What is displacement vector ? Explain equality of vectors.
Define scalar and vector physical quantities with their examples.