Simple Machines

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Simple Machines by Mind Map: Simple Machines

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