| Answer | Crossword Clue |
|---|---|
| KINETICS | Subject of Newton's "Principia" |
| HALLEY | Astronomer who financed the publication of Newton's "Principia" |
| LAWOFGRAVITY | Formulation in Newton's "Principia" |
| INERTIA | Subject of Newton's law |
| INERTIA | Subject of Newton's first law |
| INERTIA | Subject of Newton's first law of motion |
| INERTIA | Subject of one of Newton's laws of motion |
