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Materials

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Math
 
Rectangular Cross

 
Cx Cy Area
Moment of Inertia
about the xc axis
Ixc		 Moment of Inertia
about the yc axis
Iyc		 Polar Moment of Inertia
about the zc axis
Jzc
= Ix + Iy
Radius of Gyration
about the xc axis
kxc		 Radius of Gyration
about the yc axis
kyc		 Radius of Gyration
about the zc axis
rzc
rzc2 = kxc2+kyc2