Across
- 3. pulling objects towards each other.
- 5. equaled 6.693 10-11 cubic kilograms per second
- 8. man who introduced the law of universal gravitation
- 10. a quantity that has magnitude and direction
Down
- 1. the force always acting on every ting
- 2. how far something is away
- 4. how much matter that's in a substance
- 6. a quantity that has magnitude but no direction
- 7. The gravitational constant was measured by him
- 9. the heaviness of an object