1. Forces
1.1. Internal force.
1.1.1. Tension.
1.1.1.1. Force that stretches apart to lengthen or expand.
1.1.1.1.1. Eg: when you pull a rubber band.
1.1.2. Torsion.
1.1.2.1. Force that twist .
1.1.2.1.1. Eg: when you do a 360 dunk in basketball.
1.1.3. Compression.
1.1.3.1. The force that squeezes or presses something together .
1.1.3.1.1. Eg: When you sit on a chair.
1.1.4. Shear.
1.1.4.1. A force that pushes in opposite directions and bends or tears.
1.1.4.1.1. Eg: when you cut paper with scissors
1.1.5. The force that acts on the object from the inside.
1.1.5.1. Eg: the dead load ( the books in the bookcase)
1.1.5.1.1. Eg:
1.2. Magnitude.
1.2.1. The strength of the force.
1.2.1.1. Eg: Pulling something at a high magnitude.
1.2.1.1.1. Eg:
1.3. Direction.
1.3.1. Push or a pull.
1.3.1.1. Eg. Someone pulling or pushing boxes.
1.3.1.1.1. Eg:
1.4. Point of application
1.4.1. The point of impact.
1.4.1.1. Eg: Hammer hitting the board at the nail.
1.4.1.1.1. eg:
1.5. External force.
1.5.1. the force that acts on the outside of the structure
1.5.1.1. Eg: wind
1.5.1.1.1. Eg:
1.6. Plane of application
1.6.1. The angle. Of the impact.
1.6.1.1. Eg: Battering ram hitting a door at a 90 degree angle.
1.6.1.1.1. Eg:
2. Function.
2.1. What the structure is meant to do.
2.1.1. Eg: Car meant to transport people
2.1.1.1. Eg:
3. Loads
3.1. Dead load.
3.1.1. The force of gravity acting on the structure itself.
3.1.1.1. Eg. building
3.1.1.1.1. eg:
3.2. Live load.
3.2.1. The force of gravity acting on the structure but it can vary.
3.2.1.1. Eg. car on a bridge
3.2.1.1.1. eg:
3.3. Dynamic load.
3.3.1. Loads that can change rapidly.
3.3.1.1. Eg. the weather
3.3.1.1.1. eg:
3.4. The external force acting on a structure.
4. Form
4.1. Solid.
4.1.1. Structures that are soild all the way through.
4.1.1.1. Eg: the statue of liberty
4.1.1.1.1. Eg:
4.2. Frame.
4.2.1. Structures made of parts fastened together .
4.2.1.1. Eg: Eiffel tower
4.2.1.1.1. eg:
4.3. Shell.
4.3.1. Structures that are hollow .
4.3.1.1. Eg: Igloo
4.3.1.1.1. Eg:
4.4. Combination
4.4.1. a combination of two or more types of srtucture
4.4.1.1. Eg: a building can be a dome and a frame
4.4.1.1.1. Eg:
4.5. How the structure looks.
4.5.1. eg