physics crossword Thomas Watt

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