Chap 8 physics

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Across
  1. 3. stored energy
  2. 4. usefulwork output over total work output
  3. 6. energy cannot be created or destroyed
  4. 7. joule per second
  5. 8. potential energy formula
  6. 12. Newton-meter
  7. 13. has energy or motion
Down
  1. 1. one million watts
  2. 2. a device used to manipulate forces
  3. 5. pivot point
  4. 8. a different kind of lever
  5. 9. force x distance
  6. 10. we do work on one end, it does work on the other
  7. 11. how fast work gets done