inertia

The tendency for an objectWhen talking about programs, these are “things” that can be created in a way that encapsulates the details, letting them be accessed from outside through an interface. to keep moving (or not moving) at a constant speed if you don’t accelerate or decelerate it. There’s inertia in a straight line and there’s also inertia of rotation – spinning things want to keep rotating in a specific direction unless you force them to change.