Question

What is the difference between scalar and vector quantities?

Answer 1

BASIS FOR COMPARISON SCALAR QUANTITY VECTOR QUANTITY

Meaning	Any physical quantity that does not include direction is known as scalar quantity.	Vector quantity is one, that has both magnitude and direction.
Quantities	One-dimensional quantities	Multi-dimensional quantities
Change	It changes with the change in their magnitude.	It changes with the change in their direction or magnitude or both.
Operations	Follow ordinary rules of algebra.	Follow rules of vector algebra.
Comparison of two quantities	Simple	Complex
Division	Scalar can divide another scalar.	Two vectors can never divide.