Statics › Section C · Equilibrium of particles › Topic C.2
1D equilibrium: cables, springs, and pulleys
When every force on a body lies along one line, equilibrium is a single equation. That makes one-dimensional problems the ideal place to master the models engineers use everywhere: ideal cables, linear springs, and pulleys that redirect a pull or multiply it.
In this topic
- Forces along one line
- Scalar components and signs
- Two-force bodies
- Ideal cables
- Linear springs
- Worked example: springs holding a parcel
- Ideal pulleys
- The block and tackle
- Worked example: an engine hoist
- Common mistakes to avoid
- Key takeaways
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