4
votes
2answers
64 views

Different equivalent representations for same physics

I want to expand my understanding of physics and just watched a Feynman lecture where he said "every theoretical physicist who is any good knows six or seven different theoretical representations for ...
0
votes
1answer
153 views

How to know if something is a primitive concept, a law, a definition or a theorem

Some basic Physics books are often misguiding in the sense that they don't make clear whether something is a primitive concept, a law, a definition or a theorem. This is often a little confusing. I've ...
-3
votes
2answers
145 views

Do physics laws really apply to anything? [closed]

My professor said that a law was stated and announced as a law because it happens in our everyday life. He gave us an example of Newton's 3 laws. He said that walking possess 3 laws of Newton's. Is ...
2
votes
2answers
147 views

How can we claim something violates some physical law, when so many physical laws have been postulated?

For example, Einstein postulated that the speed of light, c, is constant in all inertial frames of reference. Bohr postulated that electrons go around the atom in ...
2
votes
4answers
413 views

Laws of Atomic Theory - how is this possible? [duplicate]

Not sure if this is the right place to post, but how is it possible to have laws of a theory? A theory is not able to be a law, since it's just an explanation that can always be disproven. So how is ...
4
votes
5answers
729 views

Laws and theories

What is a physical law, a theory, and what is the relationship among them? I know this is a very basic question, so any reference to epistemology will be greatly appreciated :)