Unbalanced - A force that changes the position, speed or direction of the object to which it is applied, Balanced - A force where the object stays still or continues moving at the same speed and in the same direction, Net Force - The sum of all forces acting on an object, Velocity - The speed of an object with a given direction, Acceleration - Change in the rate or speed of an object, Reaction  - An equal and opposite force that is produced when any force is applied to an object, Average Speed - Total Distance, Total time, Friction - A force that always acting in the opposite direction of the object, Newton - Unit of measurement of force, Exert - Apply a force, Constant Speed - Speed with no acceleration,

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