1. If the center of gravity is high it is more likely the object will not be as stable and it will be easier to fall or tip over if it gets pushed
1.1. Graiffe
2. Center of gravity
2.1. High
2.2. Low
2.2.1. If the center of gravity is low it will be more stable.
2.2.1.1. Short dog
3. Applying Force
3.1. Direction
3.1.1. Is a push or pull
3.2. Point application
3.2.1. where you apply the force
3.2.1.1. It could be from the top, middle or bottem
3.3. Magnitude
3.3.1. Is the speed of the force
3.3.1.1. It could be fast, medium or slow speed
3.4. Point of plane
3.4.1. Is the angle where the force is being applied
3.4.1.1. It could be a 45° 90° or a 180°
4. Types Of Loads
4.1. Live Load
4.1.1. Something that is supported by the dead load.
4.1.1.1. Water in a waterbottle
4.1.1.2. Person driving a car
4.2. Dead Load
4.2.1. A structure that can stand on its own without needing anything to support it.
4.2.1.1. A wall of a house
4.2.1.2. Buiding
4.3. Dynamic Load
4.3.1. Some kind of movement (force) other than gravity that affects or changes an object.
4.3.1.1. Wind
4.3.1.2. Natural disasters (ie An earth quack
5. Form and Function
5.1. Function means something that is made for a purpose. It could be natural or human made
5.2. Form follows the function , the style and shape of the object
6. Types Of Structures
6.1. Frame
6.1.1. A frame structure is network of materials that support each other.
6.1.1.1. The Eiffel tower
6.1.1.2. soccer net
6.2. Shell
6.2.1. A shell structure is is a layer of materials and is hollow in the inside
6.2.1.1. An egg
6.2.1.2. A bicycle Helmet
6.3. Solid
6.3.1. A solid structure is a structure made out of strong and heavy materials and it is able to carry many types of loads
6.3.1.1. A wall
6.4. Combination
6.4.1. A combination structure is a combination of all the other structures. (solid, shell and frame)
6.4.1.1. Your skeleton
6.4.1.2. A house
7. Internal Forces
7.1. Compression
7.1.1. A force that puts pressure on something. (pushing)
7.1.1.1. Sitting on a chair
7.1.1.2. standing on the floor
7.2. Shear
7.2.1. A force that stretches an object or thing.
7.2.1.1. unzipping you backpack
7.2.1.2. When your ripping your candy wrapper
7.3. Torsion
7.3.1. A force that causes something to twist, ecspecally the ends of an object
7.3.1.1. Drying your towel
7.3.1.2. Making a model airplane powered by a elastic band
7.4. Tension
7.4.1. A force that causes something to strech
7.4.1.1. A rope brigde
7.4.1.2. a elastic band
8. External Forces
8.1. External forces are forces that act outside the object.
8.2. Gravity
8.2.1. avalanche
8.3. Friction
8.3.1. When a car interacts with the road