The magnitude of any physical quantity

The magnitude of a physical quantity consists of………….

Numerical value of the magnitude of a physical quantity is

Does the magnitude of a physical quantity depend upon the system of units chosen?

Does the magnitude of a physical quantity depend on the chosen frame of reference?

What is meant by a frame of reference ? Does the magnitude of a physical quantity depend on the choice of frame of reference ?

Numerical value of magnitude of a physical quantity is :