Machines

2. a support around which a lever can rotate or pivot
5. a rigid bar that can rotate freely around a fulcrum
7. toothed wheels of different diameters linked together to change the speed or direction moved
9. a force applied to one part of a lever to move a load at another part
11. the perpendicular distance from the fulcrum to the load force

1. a ramp that increases the load that can be raised by an effort force
3. the force exerted by the load on a lever
4. a double inclined plane that increases the applied or effort force
6. the perpendicular distance from the fulcrum to the effort force
8. an inclined plane wrapped around a central shaft that increases the applied or effort force
10. a wheel with a grooved rim in which a rope or cable can run