1) Gravity obeys one
Found on
https://www.crosswordclues.com/clue/physical-law
A physical law or scientific law, according to the Oxford English dictionary, `is a theoretical principle deduced from particular facts, applicable to a defined group or class of phenomena, and expressible by the statement that a particular phenomenon always occurs if certain conditions be present.` Physical laws are typically conclusions based .....
Found on
http://en.wikipedia.org/wiki/Physical_law
No exact match found.
