1. the force is applied on the outside
1.1. Direction
1.1.1. Where the force applied is coming from
1.2. Plane of Application
1.2.1. The imaginary flat surface the the force goes through
1.3. Magnitude
1.3.1. How hard the object is hit with
1.4. Point of Application
1.4.1. Where the structure of being forced
2. Classifying structures
2.1. Form
2.1.1. The basic shape of a stucture
2.1.2. Solid
2.1.2.1. Heavy for an object of that size
2.1.2.1.1. Apple
2.1.2.1.2. Telephone pole
2.1.3. Frame
2.1.4. Shell
2.1.4.1. Solid on the outside but hollow on the inside{ usually curved}
2.1.4.1.1. chicken egg
2.1.4.1.2. cup
2.1.5. Combination Structures
2.1.5.1. Have solid, frame and shell parts
2.1.5.1.1. Half built house
2.1.5.1.2. Car frame
2.2. Function
2.2.1. The purpose of the structure
2.2.1.1. Plastic shopping bag
2.2.1.1.1. To carry groceries
2.2.1.2. Winter glove
2.2.1.2.1. To keep hands warm
3. Forces
3.1. Internal forces
3.1.1. Forces that affect the structure on the inside
3.1.1.1. Compression
3.1.1.1.1. Squeeze
3.1.1.2. Shear
3.1.1.2.1. To pull apart in opposite directions or bent
3.1.1.3. Tension
3.1.1.3.1. Stretch
3.1.1.4. Torsion
3.1.1.4.1. Twist
3.2. External Forces
4. Loads
4.1. Static Load
4.1.1. The Live load
4.1.1.1. what the structure was meant to carry
4.1.2. The Dead load
4.1.2.1. the structure itself
4.1.3. The Force of Gravity that acts on the object
4.2. Dynamic Load
4.2.1. Anything that isn't the live or dead load
4.2.1.1. Example: Rain
4.2.1.2. Example: Snow
4.2.1.3. Example: wind