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