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Poole Physics
Newton's Laws
Term | Definition |
---|---|
Force | a push or pull |
Balanced Forces | Forces on an object that do not change the motion of the object |
Unbalanced Forces | Forces on an object that can cause change in the motion of the object |
Net Force | The sum of all the forces acting on an object |
Motion | The change in an object's position with respect to time and in comparison to the position of other objects used as reference points |
Action | Force exerted on another object |
At Rest | The state of an object when it is not in motion. |
Magnitude | A number describing the size or quantity of something. |
Velocity | Measurement of speed and direction of an object |
Direction | The path that an object is moving or facing |
Speed | The Measurement of the rate of change of position with respect to time. |
Acceleration | Change of an object's speed or direction |
Friction | A force between two surfaces rubbing against each other that works against motion. |
Reaction | Resistance or force of equal magnitude acting in the opposite direction to an action force. |
Inertia | The tendency of a physical object to remain still or continue moving unless force is applied |