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Download a change in velocity over time the tendency of a moving object to
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a change in velocity over time a group of objects from which a position or a motion is measured the tendency of a moving object to keep moving in a straight line or of any object to resist a change in motion how fast an object's position changes with time at any given moment the mass of an object multiplied by its velocity. (The more the mass, the more difficult it is to stop.) the speed and direction of a moving object the location of an object the force that pulls objects together forces that do not cancel each other out that cause an object to change its motion forces that act together on an object without changing its motion frame of reference acceleration speed inertia velocity momentum gravity position balanced force unbalanced force a force caused by two objects rubbing against each other the energy of a moving object any push or pull by one object on another Things at rest stay at rest, and things in motion stay in motion unless acted on by an outside force. a measure of the amount of matter in an object To move a mass, you need a force. energy stored in the position or For every action, there is an equal the structure of an object but opposite reaction. kinetic energy friction Newton's 1st Law of Motion force Newton's 2nd Law of Motion mass Newton's 3rd Law of Motion potential energy