Question

What do u mean by a conservative law?

Answer 1

a law made to conserve sth or some tradition culture etc.

Answer 2

In physics , a conservative law states that a particular measurable property of an isolated physical system does not change as the system evolves over time.

For e.g. law of conservation of mass , energy , momentum. , etc . These laws doesn't change with time . They are satisfied in every situations . These are also known as fundamental laws.