Physics › Section G · Statics, torque, and rotation › Topic G.2
Stability and applying statics
An object can be balanced and still fall over at the slightest nudge. The centre of gravity explains which balanced positions survive a push, and the two equilibrium conditions then let you find the forces in real structures such as brackets, beams and shelves.
In this topic
- Balanced is not the same as stable
- The centre of gravity
- Worked example: a loaded rod
- Stable, unstable and neutral equilibrium
- Tipping and the base of support
- Worked example: when does a crate tip?
- Stability in the human body
- A strategy for statics problems
- Worked example: a sign on a strut
- Common mistakes to avoid
- Key takeaways
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