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Simple Machines by Mind Map: Simple Machines

1. Work

1.1. Definition

1.1.1. Moving in the direction of the force that is applied.

1.2. Formula

1.2.1. Work = Force X Distance

1.3. Example

1.3.1. Pushing a computer mouse with your finger

1.4. Units

1.4.1. Joules

1.5. pic

2. 3rd Class levers

2.1. Definition

2.1.1. A lever in which the effort is placed between the fulcrum and the load.

2.2. Example

2.2.1. Baseball Bat

2.3. (PIC)

3. Power

3.1. Definition

3.1.1. How fast you are doing the work

3.2. Formula

3.2.1. Power = Work/Time

3.3. Example

3.3.1. Lightning

3.4. Units

3.4.1. Watts

3.5. pic

4. 2nd Class levers

4.1. Definition

4.1.1. A lever in which the load lies between the fulcrum and the effort.

4.2. Example

4.2.1. Wheelbarrow

4.3. (PIC)

5. Incline Planes

5.1. Definition

5.1.1. a sloping ramp up which heavy loads can be raised by ropes or chains.

5.2. Example

5.2.1. Ramp

5.3. pic

6. 1st Class levers

6.1. Definition

6.1.1. A lever in which the fulcrum is positioned between the load and the effort.

6.2. Example

6.2.1. Hammer

6.3. pic

7. Machanical Advantage

7.1. Definition

7.1.1. Tells How much a machine multiples force or increases a distance.

7.2. Formula

7.2.1. MA = output force/input force

7.3. Example

7.3.1. How much easier it is to move things. Like up a flight of stares.

7.4. Units

7.4.1. Nothing

7.5. pic

8. Wedge

8.1. Definition

8.1.1. 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.

8.2. Example

8.2.1. The Blade of a Knife

8.3. pic

9. Screw

9.1. Definition

9.1.1. a short, slender, sharp-pointed metal pin with a raised helical thread running around it and a slotted head, used to join things together by being rotated so that it pierces wood or other material and is held tightly in place.

9.2. Example

9.2.1. Jar Lid

9.3. pic

10. Wheel and Axle

10.1. Definition

10.1.1. 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.

10.2. Example

10.2.1. Wagon

10.3. pic

11. Pulley

11.1. Definition

11.1.1. a wheel with a grooved rim around which a cord passes. It acts to change the direction of a force applied to the cord and is chiefly used (typically in combination) to raise heavy weights

11.2. Example

11.2.1. Movie Curtains

11.3. pic