Work and Energy Module 4

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Across
  1. 2. due to the gravitational forces between objects
  2. 8. due to chemical bonds
  3. 12. a machine can increase speed and/or ____________
  4. 13. a force applied through a distance
  5. 15. power is energy divided by ____________
  6. 16. ratio of output work to input work
  7. 17. device that changes force or increases motion from work
  8. 19. anything around which you can imagine a boundary
  9. 20. ratio of output force to input force
  10. 22. energy can be ________________from one form to another
  11. 24. a machine can change the ______________ of a force
  12. 25. rate at which energy is converted
  13. 26. stored by compressing, stretching, or bending an object
Down
  1. 1. does work with only one movement
  2. 3. energy cannot be ________ or destroyed
  3. 4. power is the rate at which energy is ______________ from one form to another
  4. 5. power is measured in __________________
  5. 6. the work output of a machine is ___________ greater than the input work
  6. 7. energy cannot be created or destroyed
  7. 9. energy from food is measured in
  8. 10. energy due to motion
  9. 11. combination of two or more simple machines
  10. 14. sum of kinetic and potential energy of objects
  11. 18. work is ___________ applied through a distance
  12. 21. ability to cause change
  13. 23. efficiency is the output work _____________ by the input work