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Science Notes
| Question | Answer |
|---|---|
| Displacement | The difference between the initial, or starting position and the final position |
| Speed | A measure of the distance an object travels in a given amount of time |
| Velocity | The speed and direction of a moving object |
| Vector | A quantity that has both magnitude and direction |
| Reference Point | The starting point you choose to describe the location, or position, of an object |
| Position | An object's distance and direction from a reference point |
| Motion | The process of changing position |
| Acceleration | A measure of the change in velocity during a period of time |
| Force | A push or a pull on a object |
| Contact Force | A push or a pull on one object by another object that is touching it. |
| Newton's 2nd Law | The acceleration of an object equals the net force on the object divided by the object's mass |
| Friction | A force that resists the sliding motion of two surface that are touching |
| Free-Body Diagram | A simple model to understand systems of objects with any amount of applied forces |
| Net Force | The sum of all the forces acting on an object |
| Newton's 1st Law | An object in motion will stay in motion, and an object at rest will stay at rest unless acted on by a force |
| Interia | To resist any change in motion |
Created by:
IsabelMoreno