Physics for IGCSE & O level - Forces And Motion (Section 6 - No. 29)

Which statements are true about inertia?

Inertia is the tendency of an object to resist changes in its motion.

Inertia is directly proportional to an object's mass.

Inertia is a force.

All objects have inertia.

Inertia is the resistance to change and increases with mass. All objects have this property.