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Inertia
What is inertia?
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Inertia is a fundamental property of matter that describes an object’s resistance to changes in its state of motion. Specifically:
Inertia is the tendency of an object at rest to remain at rest, and an object in motion to remain in motion, unless acted upon by an unbalanced force.
Inertia causes objects to resist changes in their velocity. The more mass an object has, the greater its inertia and the more force is required to change its motion.
Inertia is a manifestation of Newton’s first law of motion, which states that an object will continue in its state of rest or uniform motion in a straight line unless acted upon by an unbalanced force.
Inertia is what allows objects to maintain their speed and direction unless an external force is applied. It is a key concept in classical mechanics and the understanding of how forces affect the motion of objects.