Inertia is basically 3 types
Inertia of rest.
When the resistance is offered by the body to continue in the state of rest unless an external force acts on it.
Inertia of direction.
When the resistance is offered by the body to continue the motion in the same direction unless an external force acts on it.
Inertia of motion.
When the resistance is offered by the body to continue to be in the uniform motion unless an external force acts on it.