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