Chapter 14 vocab
Across
- 2. inclined plane wrapped around a cylinder
- 5. the distance between the output force and the fulcrum
- 6. A device that changes a force
- 9. a common unit of power equal to about 746 watts
- 11. force exerted by a machine
- 13. a rigid bar that is free to move around a fixed point
- 14. The product of force and distance
- 16. v-shaped object whose slides are two inclined planes sloped toward each other
- 17. distance the input force acts through
- 18. mechanical advantage in the absence of friction
- 19. work done by the input force acting through the input distance
- 20. force you expert on a machine
- 21. The SI unit of power
- 22. the number of times that the machine increases an input force
- 24. Slanted surface along which a force moves an object to a different elevation
- 25. distance the output force is exerted through
Down
- 1. fixed point the bar rotates around
- 3. combination of two or more simple machines that operate together
- 4. distance between the input force and the fulcrum
- 7. equals the ratio of the output force to the input force
- 8. The rate if doing work
- 10. The SI unit of work
- 12. simple machine that consists of two disks or cylinder
- 14. output force multiplied by the output distance
- 15. simple machine that consists of a rope that fits into a groove in a wheel
- 23. percentage of the work input that becomes work output