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