Statics › Section D · Moments and static equivalence › Topic D.3
Varignon's theorem
Finding a perpendicular distance by geometry can mean awkward triangles. Varignon's theorem offers a better route: break the force into components whose moment arms you can read straight off the drawing, and add their moments.
In this topic
- Why another method
- The theorem
- Parallel and perpendicular components
- Worked example: a tilted handle
- Horizontal and vertical components
- A formula that does the signs
- Worked example: a 600 N pull
- Slide the force first
- Common mistakes to avoid
- Key takeaways
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