Across
- 6. the ability to do work
- 8. ______ ______is the ratio of the speed (angular veloc-ity) of the input shaft to that of the output shaft
- 11. energy in motion
- 12. is a force that acts against motion when two surfaces rub together.
- 14. Mechanical engineers use simple machines to provide a _______________
Down
- 1. ___________systems use a liquid such as oil to transmit power
- 2. tools that make work easier
- 3. energy that is stored and waiting to be used
- 4. the rate at which work is performed or energy is transmitted
- 5. _________systems use air, instead of fluid, to transmit power
- 7. the application of force to move an object a distance
- 9. states that all fluids exert the same amount of pressure in all directions when in a limited space
- 10. __________ motion is movement in a straight line
- 13. convert fluid power into either linear or rotary motion