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