Inertia is the resistance of any physical object. This is to any change in its state of motion.
The inertia of rest refers to an object's resistance to being put into motion when it is at rest. It is a property of matter where an object will remain at rest unless a force is applied to it. This concept is one of the fundamental principles of classical mechanics described by Newton's first law of motion.
Inertia
The three types of inertia are inertia of rest, inertia of motion, and inertia of direction. Inertia of rest is the tendency of an object to remain at rest. Inertia of motion is the tendency of an object to continue moving at a constant velocity. Inertia of direction is the tendency of an object to resist changes in its direction of motion.
Inertia.
Mass is the factor that measures inertia. Inertia is the tendency of an object to resist changes in motion, and the greater the mass of an object, the greater its inertia.