mechanics
noun[U]
us/məˈkæn·ɪks/mechanicsnoun[U](OPERATION)
theparticularway somethingworksorhappens:
Thegoalsare the same, but the mechanics forachievingthegoalsdiffergreatly.
mechanicsnoun[U](PHYSICAL FORCES)
physics
thestudyof theeffectofphysicalforcesonobjectsandtheirmovement