A physical quantity is a physical property of a phenomenon, body, or substance, that can be quantified by measurement.
Read more about Physical Quantity: Definition of A Physical Quantity, Extensive and Intensive Quantities, Symbols, Nomenclature, Units and Dimensions, Base Quantities, Physical Quantities As coordinates Over Spaces of Physical qualities (philosophy)
Famous quotes containing the words physical and/or quantity:
“To many women marriage is only this. It is merely a physical change impinging on their ordinary nature, leaving their mentality untouched, their self-possession intact. They are not burnt by even the red fire of physical passion—far less by the white fire of love.”
—Mary Webb (1881–1927)
“Something is infinite if, taking it quantity by quantity, we can always take something outside.”
—Aristotle (384–322 B.C.)