Structures and Forces
Just an initial demo map, so that you don't start with an empty map list ...
1. Internal Forces (a force that acts on the inside of an object)
1.1. Tension
1.1.1. A force that streches
1.1.1.1. An athlete streching
1.2. Torsion
1.2.1. A force that twists
1.2.1.1. Paul George's 360 dunk
1.3. Compression
1.3.1. A force that pushes or squeezes
1.3.1.1. Athlete landing
1.4. Shear
1.4.1. A force that pushes in opposite directions
1.4.1.1. Snapping a twig in half
2. External Forces (a force that acts on the outside of an object)
2.1. Gravity
2.1.1. A force that pulls all things on earth to the center of the earth at all times
2.2. Wind
2.3. Rain
2.4. Snow
2.5. Hail
3. What is a force?
3.1. A force is any push or pull
4. Applying Forces
4.1. Point of Application
4.1.1. The exact area where the force contacts the stucutre
4.1.1.1. Hitting punching bag
4.2. Magnitude
4.2.1. The strength of the force
4.2.1.1. A car crash
4.3. Plane of Application
4.3.1. The side of the structure affected by the force
4.3.1.1. A wrecking ball hitting at 45 degrees
5. Form
5.1. How a structure is built
5.1.1. 4 legs for stability, and a head to support the back of a person
6. Types of Structures
6.1. Frame
6.1.1. A structure made of parts fastened together
6.1.1.1. Human Skeleton
6.2. Shell
6.2.1. A hollow structure with a curved shape providing strengh
6.2.1.1. Hockey Helmet
6.3. Solid
6.3.1. A structure that is solid all throughout
6.3.1.1. Sand Castle
7. Form and Function
7.1. Function
7.1.1. The purpose a structure serves
7.2. The form MUST meet the function
8. Loads (a force acting on a structure)
8.1. Static Loads
8.1.1. Dead load
8.1.1.1. a static load caused by the weight of the structure itself
8.1.1.1.1. .
8.1.1.2. A chair
8.1.2. Caused by gravity
8.1.3. Does not change
8.1.4. Live Load
8.1.4.1. The weight the structure must support
8.1.4.2. A person sitting on a chair
8.2. Dynamic load
8.2.1. Caused by other forces
8.2.2. Can change
8.2.3. Rain, wind, hail and snow are examples of dynamic loads
8.2.4. A person kicking the chair