That's not what physics is considered to be. The concepts are too fluid. A noble concept is used to justify corruption, and then an opposite meaning is used in applying it. A major contradiction in Natural Law is in not differentiating between objective and subjective. Laws of the universe are considered to be objective.
Conscience is considered to be subjective.
So let's consider how the theology is applied. Inserting reason into law is the entire significance of Thomistic theology. Who could quibble with reason in law. In the usual sense, reason is what is needed. But the purpose of Thomism is the opposite.