Simple Machines
by Noah Anderson
1. Wedge
1.1. a piece of wood, metal, or some other material having one thick end and tapering to a thin edge, that is driven between two objects or parts of an object to secure or separate them.
1.2. a block that sicks inbetween things
1.3. a pick axe
2. Work
2.1. activity involving mental or physical effort done in order to achieve a purpose or result.
2.2. Any activity that you are acutally moving
2.3. W=ForceXDistance
2.4. Moving boxxes
3. Screw
3.1. an act of turning a screw or other object having a thread.
3.2. a bolt that holds things in place
3.3. Screw drivers
4. Wheel and Axle
4.1. a simple lifting machine consisting of a rope that unwinds from a wheel onto a cylindrical drum or shaft joined to the wheel to provide mechanical advantage.
4.2. A machine that used a wheel to pull string and lift things
4.3. fairs wheel
5. Pulley
5.1. A pulley is a wheel on an axle or shaft that is designed to support movement and change of direction of a taut cable or belt along its circumference.
5.2. A wheel that turns and pulls a string.
5.3. Pulleys are used in a variety of ways to lift loads, apply forces, and to transmit power.
6. 1st Class Levers
6.1. A lever in which the fulcrum is positioned between the load and the effort.
6.2. I lever like a seasaw
6.3. Seasaw
7. 2nd Class Levers
7.1. A lever in which the load lies between the fulcrum and the effort.
7.2. Alows you to move heavy objects easyer
7.3. Wheel Barrow
8. 3rd Class Levers
8.1. A lever in which the effort is placed between the fulcrum and the load.
8.2. levers the moves small objects fast
8.3. baseball bat
9. Incline Planes
9.1. a plane inclined at an angle to the horizont
9.2. sloped ramp
9.3. Skateboard ramp
10. Power
10.1. the ability to do something or act in a particular way, especially as a faculty or quality.
10.2. Watts
10.3. Throwing a baseball or basketball
11. Mechanical Advantage
11.1. the ratio of the force produced by a machine to the force applied to it, used in assessing the performance of a machine.
11.2. Output force/Input force
11.3. Using a wheel barrow or a skateboard ramp