| A | B |
|---|
| Velocity | speed with direction |
| speed | distance traveled in some time |
| acceleration | change in speed or direction |
| meter/second squared | SI unit for acceleration |
| meter/second | SI unit for speed |
| meter | SI unit for distance |
| second | SI unit for time |
| net force | added total of all forces |
| static friction | friction between two stationary objects |
| kinetic friction | friction between two moving objects |
| distance | total path of travel |
| displacement | difference from start to finish position |
| reference point | chosen "stationary" object that movement is compared to |
| net force = 0 | balanced forces (no change in motion) |
| net force = more than 0 | unbalanced forces (acceleration) |
| motion | changing position compared to something stationary |
| stationary | an object we claim to be still |
| slope increases | walk away from detector |
| slope decreases | walk toward detector |
| instantaneous | at one moment in time |
| resultant | when velocities combine |
| centripetal acceleration | constant circular motion |
| force | any push or pull |
| friction | force that opposes motion |
| fluid friction | friction of air resistance or any liquid |
