1. loads
1.1. dead
1.1.1. the what of the struktcher its self
1.1.1.1. a brige
1.2. live
1.2.1. a truck on a brige
1.3. dynamic
1.3.1. externul loads like wind
1.3.1.1. wind pushig a sail bote
2. iturnal forces
2.1. tortion
2.1.1. twist it
2.1.1.1. twisting clay
2.2. tenshon
2.2.1. pull it
2.2.1.1. pulling clay
2.3. compreshon
2.3.1. compres it
2.3.1.1. comresing clay
2.4. shere
2.4.1. brake it in half
2.4.1.1. snaping a stick
3. Application of Forces
3.1. magnitude
3.2. direction
3.3. point and plan of application
4. center of gravity
4.1. the center of gravity is where the heveist part of the object is
4.1.1. bottom of the cn tower
5. form and function
5.1. form
5.1.1. form is the type of structure
5.1.1.1. cn tower
5.2. function
5.2.1. function is what the structure (s) purpose is
5.2.1.1. elevator
6. types of structures
6.1. solid
6.1.1. solid structures are solid all the way through and are heave
6.1.1.1. rock
6.2. frame
6.2.1. frame structures have a tightly fastened frame
6.2.1.1. eiffel tower
6.3. shell
6.3.1. shell structures are hollow making them light
6.3.1.1. egg
6.4. combination
6.4.1. combination structures are solid, frame, and sell structures combined
6.4.1.1. house