Rotational Motion — Visual Guide (SVG Diagram, Tables, Mermaid) — Summary

θ Solid Sphere $K^{2}$/$R^{2}$=2/5 Disc $K^{2}$/$R^{2}$=1/2 Ring $K^{2}$/$R^{2}$=1

Rolling Race — Incline Solid sphere (orange) wins — smallest $K^{2}$ / $R^{2}$

Bottom (finish) Top (start)

Rank	Body	$K^2/R^2$	Wins rolling race?
1	Solid sphere	2/5 = 0.40	Yes (fastest)
2	Disc / solid cylinder	1/2 = 0.50	2nd
3	Hollow sphere	2/3 = 0.67	3rd
4	Ring / hollow cylinder	1 = 1.00	No (slowest)