Chapter 14 vocabulary

5. arm- is the distance between the output arm and the fulcrum.
7. arm- Is the distance between output force and the fulcrum.
10. Plane- is a slanted surface along which a force moves an object in different levels.
11. the fixed part the bar routes around.
12. work done by the input force acting through the input distance.
15. force that you exert on a machine.
18. A rigid bar that is free to move around a fixed point.
19. Which is equal to one joule per second.
21. the number of times the machine increases an input force.
22. is the rate of doing work.

1. machine-is a machine combined in two or more simple machines that operate together.
2. is equal to about 746 watts.
3. the distance that input acts trough.
4. advantage- equals the ratio of the output to the input force.
6. a device that changes the force.
8. is an inclined plane shaped in the cylinder.
9. is the product of a force and distance.
13. is a simpler machine that fits into the grove in the wheel.
14. percentage of work input that becomes work output.
16. is the SI unit of work.
17. mechanical advantage-mechanical advantage in the absence of friction.
19. is a V-shaped object.
20. and axle- is a simple machine.