MMAA: Unit 3

3-9. A shelf is being designed to hold crates having a total mass of 1840kg.
3-16. A portion of a casting made of ASTM A48, grade 20 gray
3-72. Figure P3-72 shows a load being applied to inner cylindrical member that is initially 0.12 mm longer
3-32. A cylindrical steel bar is attached at the top and is subjected to three axial forces,