Force, Work, and Power

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Across
  1. 2. a simple machine used to split material
  2. 3. a push or a pull
  3. 4. applying a force to move an object
  4. 7. a wheel and rope that change the direction of the force
  5. 8. a simple machine with a round disc with a rod through the center
  6. 9. the amount of matter in an object
  7. 11. type of friction that keeps objects stationary
  8. 14. a simple machine with a sloped surface
  9. 16. type of friction that occurs between wheels and a surface
  10. 17. type of friction that occurs when objects move past one another
  11. 18. a force that opposes gravity for objects on a surface
  12. 20. unit to measure power
  13. 23. a force of a push or a pull
  14. 24. a force of attraction between two objects; pulls objects down to earth
  15. 26. unit to measure force
  16. 29. tools used to make work easier
  17. 30. a force that opposes the motion of an object
  18. 31. you can increase power by increasing the amount of work or decreasing the amount of ___ it takes to do the work
Down
  1. 1. unit to measure speed
  2. 5. unit to measure mass
  3. 6. unit to measure distance
  4. 8. the force of gravity acting on object
  5. 10. the amount of work done in a given time
  6. 12. a force found in a rope, cord, or wire
  7. 13. type of friction that occurs in a liquid or gas
  8. 15. the type of force of objects that are not touching
  9. 17. unit to measure time
  10. 19. for work to be done, a force must be applied causing the object to move a _____
  11. 21. a force that opposes gravity for objects falling through the air
  12. 22. a variation of an inclined plane wrapped around a center rod
  13. 25. unit to measure work
  14. 27. the type of force of objects that are touching
  15. 28. a plank that rests on something and moves up and down