Pentagon

1. An external force might be lighiting striking the pentagon. i lighting could possible split the structure in half. the internal force may be shear

2. Purpose, Function and form

2.1. The pentagon is a american defense headquarter. its a huge office building for the untied states national defense.

2.2. The function of the pentagon is to allow the american nation defense team to work and train.

2.3. The form of the pentagon is shaped like a pentagon and is able to support loads of the people inside and the equipement.

3. An external force that the structure may feel would be wind.

4. An external force that the pentagon may feel would be Rain. The internal force the pentagon would feel would be Compression.

5. The pentagon is able to support loads because it has a wide base and has a low center of gravity.

6. Structure

6.1. It is a combination structure because it is a mix of a shell structure in the middle, solid structure, and a frame structure on the outside part.

7. Loads

7.1. Th building itself is a dead load.

7.2. The live load is everything inside of the pentagon like people, weapons, and many other things.

8. Center Of Gravity

8.1. The center of gravity is in the middle of the whole pentagon.

8.1.1. It is important because it supports the whole building so, it won't collapse.