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