Scalar quantities are physical quantities that have a magnitude but no direction. They are measured with a numerical value. Some examples of scalar quantities are:
Vector quantities are different from scalar quantities because they have both magnitude and direction. Some examples of vector quantities are:
Instead of a written description, arrows can be used to represent vectors. The arrow indicates both the magnitude and the direction.
For example, an arrow pointing to the right with a label ’20N’ would mean a force of 20 newtons to the right.