Statics › Section G · Centroids and centers of gravity › Topic G.3
Centroids
Strip away the material and keep only the shape, and the centre of gravity becomes the centroid: a purely geometric point that every beam section, plate and load diagram in statics relies on.
In this topic
- A centre for pure shapes
- Defining the centroid
- First moments of area
- When centroid, centre of mass and CG coincide
- Symmetry does the work
- Worked example: two steel sections
- Centroids of standard shapes
- Worked example: a gusset plate
- Checking a centroid
- Common mistakes to avoid
- Key takeaways
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