Explanation:
Inertia is the inherent property of matter that resists changes in its state of rest or uniform motion, as stated in Newton's first law. It depends solely on mass, not velocity. Inertia is not a force; forces cause changes in motion. Greater mass implies greater inertia. Statement C precisely defines inertia. Common misconception: confusing inertia with momentum (which depends on velocity). Exam tip: Remember 'inertia ∝ mass'; this concept underpins all Newtonian mechanics questions. Frequently tested in conceptual sections of competitive exams to identify fundamental understanding.
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