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

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

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

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

Guide for high quality and cost-effective plastic injection molding.

8 things to know about the interview question "What's your salary expectation"?