Across
- 2. gravitational pull
- 3. force that holds constant
- 5. act of moving quickly
- 7. quickness of motion
- 8. anything made of atoms
- 10. force pull to the center
- 11. body orbiting another large size
- 14. the rate of change
- 15. strength of energy exerted
- 16. rubbing of one body to another
- 18. motion of a force
- 19. great size or extent
- 21. act of moving with sudden force
Down
- 1. all force acting on something
- 4. careful preservation of something
- 6. force necessary to keep in curved path
- 9. group interacting independent of or unified whole
- 11. have unterrpted series of steps
- 12. a state of intellectual
- 13. a property of a moving body
- 17. rapid continuing drop
- 20. a property of matter that remains at rest