Question

What are physical quantities?

Answer 1

1. In physics, a physical quantity is any physical property of a material or system that can be quantified, that is, can be measured using numbers.
2. A physical quantity can be expressed as a value, which is the algebraic multiplication of a numerical value and a unit.
3. Examples of physical quantities are mass, amount of substance, length, time, temperature, electric current, light intensity, force, velocity, density, and many others.