Properties of typical rigid body:Rigid Oval When a =b=D =2R the oval is a circle a Unit mass y constant, Axes a,b Centre of Mass XG-YG=0 元ab Total Mass m=Y- 4 L2 L3 Moment of Inertia J=m12 =m 12 目 土本程李悦  Properties of typical rigid body: Rigid Oval