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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 |