Motion - A change in an object's position or distance from a point of reference., Velocity - The speed and direction an object is traveling (m/s), Acceleration - The rate an object's velocity is changing (m/s 2), Reference point - An object or place you use to describe the locations of other objects, Speed - The rate that describes how far an object moves over time, Force - a push or a pull on an object, Friction - A force that opposes motion between two objects that are touching,

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