Physics Crossword

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Across
  1. 2. between any two surfaces that are touching and moving
  2. 5. energy that can be converted into another energy
  3. 8. has size but no direction
  4. 10. the energy associated with movement
  5. 11. speed at any moment in its travel
  6. 13. energy that is stored when stretched or extended so that it can be released
  7. 15. the amount of matter in an object
  8. 16. force of repulsion or attraction
  9. 17. the rate at which speed decreases
  10. 18. a floating force
  11. 20. force of attraction between unlike charges or repulsion of like charges
  12. 21. what is needed for anything to perform somthing
Down
  1. 1. energy that is converted due to gravity
  2. 3. the unit for energy
  3. 4. has size and direction
  4. 6. what happens when something is shifted by a force
  5. 7. the rate at which speed increases
  6. 9. is speed in a direction
  7. 12. caused between air and a moving object
  8. 14. (input/output) x100%
  9. 19. the force of gravity