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Newton's Laws
Term | Definition |
---|---|
Force | The push or pull that acts on an object |
Inertia | The tendency of an object to resist a change in its state of motion |
Friction | the resistance that one surface or object encounters when moving over another. |
Speed | the rate at which someone or something is able to move or operate |
Velocity | The rate of change of the position of an object, equivalent to a specification of its speed and direction of motion, |
Acceleration | the change in velocity (speed and direction) |
Newton's First Law | The state of motion of an object does not change until a force is applied to it. |
Balanced Forces | When all of the forces on an object cancel one another out. |
Unbalanced Force | Where a certain force is either partially canceled or not canceled at all by other forces |
Action | When one object applies a force to a second |
Reaction | When a second object reacts to the first object |
Newton's Second Law of Motion | Acceleration is produced when a force acts on a mass. |
Gravity | the force that attracts a body toward the center of the earth, or toward any other physical body having mass. |
Weight | a body's relative mass or the quantity of matter contained by it |
Newton's Third Law of Motion | For every action there is an equal and opposite re-action. |