what is a scalar quantity

A scalar quantity is a physical quantity that is completely described by its magnitude or size. It does not have any direction associated with it. Examples of scalar quantities include time, mass, temperature, speed, and density.

A scalar quantity is a type of physical quantity that can be completely described by its magnitude or numerical value alone, without considering its direction. In other words, it only has a magnitude and no associated direction. Examples of scalar quantities include mass, temperature, time, distance, speed, and energy. These quantities can be added or subtracted directly, without considering any directions.