mechanics vs physics

mechanics and physics both are nouns.

Word	Noun	Adjective	Verb	Adverb
mechanics	Yes	No	No	No
physics	Yes	No	No	No

As nouns, physics is a hypernym of mechanics; that is, physics is a word with a broader meaning than mechanics:

mechanics: the branch of physics concerned with the motion of bodies in a frame of reference
physics: the science of matter and energy and their interactions

Other hypernyms of mechanics include natural philosophy.

mechanics (noun)	physics (noun)
the technical aspects of doing something	the science of matter and energy and their interactions
the branch of physics concerned with the motion of bodies in a frame of reference	the physical properties, phenomena, and laws of something