| Rating | Solver | Clue |
|---|---|---|
| IMPULSE | Impelling force or motion | |
| PROJECTILE | A part of mechanics which treats of the motion, range, time of flight, etc., of bodies thrown or driven through the air by an impelling force. | |
| IMPULSION | The act of impelling or driving onward, or the state of being impelled; the sudden or momentary agency of a body in motion on another body; also, the impelling force, or impulse. |