Statics › Section A · Introduction to statics › Topic A.3
Forces and idealizations
Real forces spread over areas and real bodies bend, but statics gets accurate answers by replacing them with simpler models. Knowing the names of the forces you meet, and which simplifications are safe, is the first step in setting up any problem.
In this topic
- Many kinds of push and pull
- Concentrated forces
- Distributed forces
- Body forces
- Loads, reactions, interactions and internal forces
- Worked example: forces on a roadside sign
- Idealised models
- Worked example: replacing a uniform load
- Worked example: can the rope's weight be ignored?
- Common mistakes to avoid
- Key takeaways
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