4. A compound section consists of 2 rectangular pieces, the left one is 40mm*130mm, the right one is 120mm*50mm. The axe
Posted: Sun Jul 17, 2022 7:49 pm
4. A compound section consists of 2 rectangular pieces, the left one is 40mm*130mm, the right one is 120mm*50mm. The axes XX and YY pass through the centroid of the section. centroid ---- Fig. 04 (a) Find (x, y), the coordinates (mm) of the centroid of the section. (9 marks) (b) Find the moment of inertia Ixx of the section (mm). (8 marks) (c) Find the moment of inertia lyy of the section (mm). (8 marks)