click below
click below
Normal Size Small Size show me how
motion vocab
| Term | Definition |
|---|---|
| motion | is when an object changes in position relative to a reference point |
| speed | is the distance traveled divided by the time interval during which the motion occurred |
| velocity | the speed of an object in a particular direction |
| acceleration | when velocity changes over time ,an object accelerates if it s speed direction or both change |
| force | a push or pull |
| newton | the unit for force |
| net force | the combination of all the forces acting on an object |
| friction | a force that opposes motion between 2 surfaces that are in contact |
| gravity | a force of attraction between object that is due to their masses |
| weight | is a measure of the gravitational pull on an object |
| mass | a measure of the amount of matter in an object |