Simple machines

1. 1st class levers

1.1. located by between input force and output

2. 2nd class levers

2.1. located between the input force and the fulcrum

3. incline planes

3.1. stright up a steep hill

4. wedge

4.1. A v-shaped object whose sides are two inclined planes

5. screw

5.1. A inclined plane wrap around a cylinder

6. Wheel and Axle

6.1. two disk or cylinders each one different radius

7. work

7.1. the procdect of force and distance

7.1.1. w=f*d

7.1.1.1. j

8. power

9. mechanical advantage

9.1. numbers of times the machine increses an input force

9.1.1. ma=output/input

10. 3rd class levers

10.1. between the fulcrum and the output force

11. pulley

11.1. consist of a rope and groove wheel