phys sci chap 4

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Across
  1. 2. potential energy - energy that is due to chemical bonds
  2. 4. energy - the sum of kinetic energy and potential energy of the objects in a system
  3. 6. energy - energy due to motion
  4. 7. - the ratio of output work to input work
  5. 9. advantage - the ratio of output force to input force
  6. 10. - force applied through a distance
  7. 12. energy - energy that is stored due to the interactions between objects
  8. 13. machine - a machine that does work with only one movement
  9. 15. - the ability to cause change
Down
  1. 1. - anything around which you can imagine a boundary
  2. 3. - a device that changes the force or increases the motion for work
  3. 5. potential energy - energy that is due to the gravitational force between objects
  4. 8. machine - a combination of two or more simple machines
  5. 11. potential energy - energy that is stored by compressing or stretching an object
  6. 14. - the rate at which energy is converted