click below
click below
Normal Size Small Size show me how
College Physics Ch 1
Vocabulary from Ch 1 of College Physics by Knight
| Question | Answer |
|---|---|
| motion | the change of an object's position or orientation with time |
| trajectory | the path along which an object moves (may be straight or curved) |
| motion diagram | composite image, showing an object's positions at several equally spaced instants of time |
| operational definition | definition in which a concept is defined in terms of a particular procedure or operation performed by the investigator |
| particle | a mass at a single point in space (often used to represent an object) |
| model | a simplification of reality (i.e. treating an object as a particle) |
| particle model of motion | a simplification in which a moving object is treated as if all of its mass were concentrated at a single point |