Work and Machines Crossword Puzzle

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Across
  1. 1. ex seesaw
  2. 6. ability to avoid wasting
  3. 9. activity involving mental or physical effort done in order to achieve a purpose or result
  4. 11. push or pull
  5. 12. anything that is thrown
  6. 14. two or more simple machines working together
  7. 15. ex ramp
  8. 17. ex knife
  9. 18. force you put in while doing work
  10. 19. all things with mass are brought toward one another
  11. 24. force which act in the opposite direction that you are traveling which slows you down
  12. 27. the force that the machine applies
  13. 29. rod or spindle passing through the center of a wheel
  14. 30. weight or source of pressure
Down
  1. 2. balance
  2. 3. ability not to be affected by something
  3. 4. ex lever, wedge, screw, wheel/axle, inclined plane, pulley, gear
  4. 5. pivot point of a lever
  5. 7. unit for force
  6. 8. force resisting the relative motion of surfaces
  7. 10. total sum of all the force
  8. 13. force amplification used by a tool/machine
  9. 16. wheels with teeth
  10. 20. resistance of any object to change its state of motion
  11. 21. a device using or applying mechanical advantage to get work done
  12. 22. ex tire
  13. 23. mass x velocity
  14. 25. metal fastener used to tighten
  15. 26. unit for energy
  16. 28. ex crane