Statics › Section F · Equilibrium of structures › Topic F.6
Analyzing frames
Frames hold up buildings, bicycles and shelves, and at least one of their members is pushed and pulled at three or more places. You solve them by taking them apart, member by member, and keeping every action-reaction pair straight.
In this topic
- Frames and multi-force members
- Why joints and sections fail here
- How many equations each part gives
- The procedure
- Is the frame rigid on its own?
- Worked example: a frame that is not rigid alone
- Worked example: finishing the frame
- Worked example: a stepladder
- Planning the order of attack
- Common mistakes to avoid
- Key takeaways
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