( used with a singular verb ) the branch of physics that deals with the action of forces on bodies and with motion, comprised of kinetics, statics, and kinematics.

( used with a singular verb ) the theoretical and practical application of this science to machinery, mechanical appliances, etc.

( usually used with a plural verb ) the technical aspect or working part; mechanism; structure.

( usually used with a plural verb ) routine or basic methods, procedures, techniques, or details

the mechanics of running an office; the mechanics of baseball.