| Answer | Crossword Clue |
|---|---|
| MOTOR | Motion-producing device |
| KINETIC | Producing motion. |
| MOTILE | Producing motion. |
| dynamic | Of or relating to forces producing motion |
| mechanics | The branch of applied mathematics dealing with motion and forces producing motion |
| servomechanism | A powered mechanism producing motion or forces at a higher level of energy than the input level, e.g., in the brakes and steering of large motor vehicles, esp. where feedback is employed to make the control automatic |
