Crossword Chapter 4
Across
- 3. simple machine made from a bar that is free to pivot about a fixed point
- 6. energy due to motion
- 8. ________ advantage - ratio of output force to input force
- 10. ______ energy - stored energy due to position
- 12. force applied through a distance
- 13. rate at which energy is converted
- 15. _______ potential energy - energy stored in chemical bonds
- 16. anything around which you can imagine a boundary
- 17. the ability to cause change or to do work
- 18. device that changes the force or increases the motion from work
Down
- 1. _____ energy - sum of potential and kinetic energy in a system
- 2. _____ machine - combination of two or more simple machines
- 4. ratio of output work to input work
- 5. ______ plane - simple machine that consists of a sloping surface, such as a ramp
- 7. _________ potential energy - energy stored by things attracted to each other by the force of gravity.
- 9. Law of ____ of Energy - states energy can never be created or destroyed.
- 11. SI unit of energy
- 14. ________ machine- Machine that does work with only one movement
- 17. ________ potential energy - energy stored by things that stretch or compress