Centroid, Area, Moments of Inertia, Polar Moments of Inertia, & Radius of Gyration of a Cross

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Rectangular Cross


C_x	C_y	Area


Moment of Inertia about the x_c axis I_xc	Moment of Inertia about the y_c axis I_yc	Polar Moment of Inertia about the z_c axis J_zc
		= I_x + I_y

Radius of Gyration about the x_c axis k_xc	Radius of Gyration about the y_c axis k_yc	Radius of Gyration about the z_c axis r_zc
		r_zc² = k_xc²+k_yc²

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

Discover how to choose the right 3D printer for your needs and the key performance attributes to consider.

Wages, employment opportunities, and growth projections for STEM jobs.