Roberts Crazy Puzzle

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Across
  1. 2. pivot point
  2. 4. - energy that is stored
  3. 6. ratio output force to the input force for a machine is called the mechanical ________.
  4. 7. can be depressed as the ratio of useful work output to total work input.
  5. 9. is a machine
  6. 10. a lever that can be used to change the direction of the force
  7. 12. the unit for work
  8. 14. energy that is moving
  9. 15. the unit of power
  10. 16. a device used to multiply forces or simply change the direction of forces
Down
  1. 1. the rate at which work is done
  2. 3. - The law of ____of____states that Energy cannot be created or destroyed
  3. 5. Whenever work is done, energy changes. This is the work-energy_____.
  4. 8. a seesaw is an example of a _______
  5. 11. the unit is joules
  6. 13. the ability to do work