mechanics

US /məˈkæn·ɪks/
1.

cơ giới học, cơ học

the branch of applied mathematics dealing with motion and forces producing motion.

:
the laws of mechanics and electricity predicted that the electrons would spiral inward until they collided with the nucleus
2.

cơ giới học, cơ học

the machinery or working parts of something.

:
he looks at the mechanics of a car before the bodywork