COM of cone
h/4
COM of triangle
h/3
COM of hollow hemisphere
R/2
COM of ring(semicircle)
2R/π
COM of solid hemisphere
3R/8
COM of disc(semicircle)
4R/3π
COM of plate(semicircle)
4R/3π
COM of hollow cylinder
h/3
MOI of ring
MR²
MOI of Disc
MR²/2
MOI of solid sphere
⅖MR²
MOI of hollow sphere
⅔ MR²
MOI of hollow cylinder
MR²
MOI of solid cylinder
MR²/2
MOI of hollow cone
MR²/2
MOI of rod
ML²/12
MOI of solid cone
3/10 MR²
MOI of trianglular plate
Mh²/6
MOI of rod
ML²/3