laws of nature; physical laws
Refers to the fundamental principles governing the natural world, often in a philosophical or general sense. Not the academic discipline.
それは物理の法則に反している。
That goes against the laws of physics.
Abbreviation of 物理学. The academic subject or field of study.
See also: 物理学
彼は大学で物理を専攻している。
He is majoring in physics at university.
My little brother is good at physics and always gets a perfect score.
He is majoring in physics at university.
Today in physics class we learned about the laws of motion.
physical
physical line (of code)