Statics › Section G · Centroids and centers of gravity › Topic G.4
Centroids of composite parts
Most engineering shapes are assembled from rectangles, triangles and circles. Split them into those pieces, treat every hole as negative area, and a short table gives the centroid of the whole.
In this topic
- Building shapes from pieces
- The composite method
- Worked example: an angle bracket
- Holes and cut-outs
- Worked example: a plate with a hole
- Worked example: a T-beam
- Composite bodies in three dimensions
- The theorems of Pappus
- Common mistakes to avoid
- Key takeaways
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