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:
“Adam and Eve, according to the fable, wore the bower before other clothes. Man wanted a home, a place of warmth, or comfort, first of physical warmth, then the warmth of the affections.”
—Henry David Thoreau (1817–1862)
“Upon looking back from the end of the last chapter and surveying the texture of what has been wrote, it is necessary, that upon this page and the five following, a good quantity of heterogeneous matter be inserted, to keep up that just balance betwixt wisdom and folly, without which a book would not hold together a single year.”
—Laurence Sterne (1713–1768)