1. Loads
1.1. Static Loads
1.1.1. Live Load
1.1.2. Dead Load
1.1.2.1. Affected by gravity
1.1.2.2. Does not change
1.1.3. may vary according to what the live load is
1.2. Dynamic Loads
1.2.1. affects static load
1.2.1.1. wind
1.2.1.2. rain
1.2.1.3. snow
2. Internal Forces
2.1. Types of internal forces
2.1.1. Compression
2.1.1.1. It can also be known as a push
2.1.1.1.1. Example: When you crush a can
2.1.1.1.2. Push a button
2.1.1.1.3. Punching
2.1.2. Torsion
2.1.2.1. It can also be known as twisting
2.1.2.1.1. Examples: Twisting a sponge
2.1.2.1.2. A tornado
2.1.2.1.3. Whirpools
2.1.2.1.4. Turning your body
2.1.3. Shear
2.1.3.1. It can also be known as bending
2.1.3.1.1. Examples: Bending to pick something up
2.1.3.1.2. Touching your toes
2.1.4. Tension
2.1.4.1. It can called as a pull
2.1.4.1.1. Examples: Pulling rope
2.1.4.1.2. Stretching rubber band
2.1.4.1.3. Pulling a door open
3. External Forces
3.1. Types of External Forces
3.1.1. Direction
3.1.1.1. The Direction of the Force
3.1.1.1.1. Push
3.1.1.1.2. Pull
3.1.2. Point of Application
3.1.2.1. The Area Where the Force is Being Applied
3.1.2.1.1. Examples
3.1.3. Magnitude
3.1.3.1. The amount of force applied on an object
3.1.3.1.1. Strong
3.1.3.1.2. Light
3.1.3.1.3. Medium Power
3.1.4. Plane of Application
3.1.4.1. Angle of the Force
3.1.4.1.1. Examples
3.1.4.2. Determines Where the Object Will Go
3.2. The Forces that are Applied outside of the Object
4. Form and Function
4.1. Form
4.1.1. Solid Structures
4.1.1.1. Structures that are solid all the way through
4.1.1.1.1. Heavier than shell structures made with same amount of materials
4.1.1.2. Many examples around us
4.1.1.2.1. Mountains
4.1.1.2.2. Wax Candles
4.1.1.2.3. Apples
4.1.1.2.4. Banana
4.1.1.2.5. Dice
4.1.2. Frame structures
4.1.2.1. Made up of different parts fixed together
4.1.2.2. Examples
4.1.2.2.1. Bicycle
4.1.2.2.2. Cars
4.1.2.2.3. Skeleton
4.1.2.2.4. Eiffel Tower
4.1.3. Shell structures
4.1.3.1. Structures that are hollow all the way through
4.1.3.1.1. Egg
4.1.3.1.2. Igloo
4.1.3.1.3. Box