First Law and Inertia

By: Joseph Garcia

Newton's First Law

    Newton's first law of motion is often stated as. An object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.

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Newton's First Law of Motion


    Inertia is the resistance of any physical object to any change in its state of motion, including changes to its speed and direction. It is the tendency of objects to keep moving in a straight line at constant velocity.

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What is Inertia? Basic Physics Inertia Explained