Simple Machines

5. the outside of the wheel goes a ______ than the axle
6. this class lever has the effort in the middle
7. simple machines cannot _________ the amount of work
8. what you lift with a pulley
12. what you move or lift with a lever
14. the spot on the lever that the bar rotates around
15. A fixed pulley changes the _________ you pull
17. this class lever has the fulcrum in the middle
19. A wheel with a groove on the outside edge
21. Force times effort
22. In order for a lever to be _______ the distance times the mass on both sides must be equal
23. A round disk that has an axle going through the middle

1. A push or pull
2. as you increase the number of pulleys you have to pull ______ rope
3. the type of pulley that moves with the load
4. this type of inclined plane would be harder to go up
7. to find the MA of a wheel you divide the wheel ____ by the axle _____
9. Wheels reduce the amount of ______
10. the type of plane that is a sloped surface
11. this tells you how much easier it is to do something with that simple machine
13. When this increases effort decreases
16. this class lever has the resistance in the middle
18. the amount of force applied to a machine
20. the type of pulley that does not move
24. As you increase the number of pulleys you use ____ effort