Chapter 4 Vocabulary
Across
- 3. rate at which energy is converted, in watts
- 4. ratio of output work done by machine to input work done on machine, written as percentage
- 6. region/set of regions around which a boundary is defined
- 8. energy stored by compressing/stretching an object
- 10. sum of potential and kinetic energy of objects in a system
- 12. energy moving object has due to motion
- 13. ratio of output force by machine to input force on machine
- 16. energy due to the gravitational force between objects
Down
- 1. energy stored due to interactions between objects
- 2. ability to cause change
- 5. energy due to chemical bonds
- 7. states that energy cannot be created or destroyed
- 9. combination of two or more simple machines
- 11. device that makes doing work faster by increasing the force applied, changing direction or applied force, or increasing the distance
- 14. machine that does work with only one movement
- 15. transfer of energy when force is applied over a distance in joules