Simple Machines

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Simple Machines by Mind Map: Simple Machines

1. Work

1.1. The product of distance and the force in the direction an object moves.

1.2. Work=Force x Distance

1.3. Units- Joules

1.4. Examples of works are moving a box and walking

2. Power

2.1. The rate at which work is being done

2.2. Power=Work/Time

2.3. Units-Watts

2.4. Examples of power are when you lift a box, how fast you lifted the box or how fast you do anything.

2.5. Power and simple machines work together because the simple machines need the power to work.

3. Incline Planes

3.1. Definition: A flat supporting surface tilted at an angle

3.2. Examples: A slide at the park

4. Mechanical Advantage

4.1. Mechanical Advantage is the number of times a machine increases an imput force

4.2. an examplesof mechanical advantage is A construction worker uses a board and log as a lever to lift a heavy rock.

4.3. this relates to simple machines because every machine has some type of mechanical advantage.

5. 2nd class levers

5.1. Second-class levers have the load between the effort and the fulcrum.

5.2. for example a wheelburrows

5.3. Second class levers relate to simple machines because they are apart of them

6. 3rd class levers

6.1. Third-class levers have the effort placed between the load and the fulcrum.

6.2. for exsample a human forarm

6.3. Third class levers relate simple machines because they are apart of them

7. Wedge

7.1. Definition: Force into a narrow space

7.2. Examples: A needle

7.3. This is relates to simple machines because it is a wedge

8. Wheel and Axle

8.1. Definition: a simple lifting machine consisting of a rope that unwinds from a wheel onto a cylindrical drum

8.2. Examples: A wheelbarrow

9. Screw

9.1. Definition: A nail-shaped rod

9.2. Examples: A screw going into wood

10. 1st Class Levers

10.1. Exsamples of a 1st class lever is a sailor working the oars

10.2. A first class lever relates to a simple machine because it is a simple lever in itself.

10.3. First-class levers have the fulcrum placed between the load and the effort