Gravitational force between masses

What this note covers

1. 1. Newton's Law of Universal Gravitation — the statement
2. 2. How gravitational force varies with mass
3. 3. How gravitational force varies with separation — the inverse-square relationship
4. 4. Calculating gravitational force between point masses — worked examples
5. 5. Gravitational field strength and its link to Newton's Law
6. 6. The nature of the gravitational force — a field interpretation
7. 7. Combining mass and distance changes — complex ratio problems

7 sections · 12 key terms & formulas · 6 common mistakes