Newton's Third Law of Motion - For every action, there is an equal but opposite reactionThe total amount that an object has moved from start to finish, Newton's First Law of Motion - An object at rest will remain at rest and an object in motion will remain in motion unless acted upon by an unbalanced force., Newton's Second Law of Motion - An object's acceleration depends on its mass and on the size of the unbalanced force acting on it., Inertia - The tendency of objects to resist changes in their state of motion., Momentum - The product of an object's mass and velocity., Force diagram - Simple sketch showing the magnitude and direction of forces acting on an object., Net force - The sum of the forces acting on an object., Unbalanced forces - Forces that are in the same direction or not equal magnitude., Balanced forces - Forces that are opposite in direction and equal in magnitude., Action-reaction force pairs - Balanced forces that are acting on different objects.,

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