2. An aluminum alloy (E = 75 GPa) tube A is used to support a 30 mm diameter steel (E 210 GPa) rod B, as shown below. Determine the minimum cross-sectional area required for the tube if the maximum defection of the loaded end of the rod must be limited to 0.3 mm. 300 mm 750 mm 65 AN

The blue bar is made from steel with the following mechanical properties: Young's Modulus, E = 17x10° psi; Poisson's Ratio v = 0.31. The bar has a circular cross-section with diameter d= 0.50 in. being the length of each side. 557 lb 557 Ib 60 in. - Determine the following under the action of the axial load (assume elastic behavior): a. The bar's axial deformation, ô, in in.: b. The average axial or longitudinal strain, ELong: c. The change in the bar's diameter, in in.:

The 24-mm-diameter A-36 steel rod is subjected to the axial forces shown. Take E = 200 GPa. (Figure 1) Figure 600 mm B 400 mm 50 kN 50 kN C 40 kN 1 of 1 > ▾ Part A Determine the displacement of end C with respect to the fixed support at A. Express your answer to three significant figures and include the appropriate units. dc = Submit μA Value Provide Feedback Request Answer Units ? 4

The assembly shown in Figure 5 consists of two sections of galvanized steel pipe connected using a reducing coupling at B. The smaller pipe AB has an inner diameter of d 16 mm and an outer diameter of do 18 mm, whereas the larger pipe BC has an inner diameter of d = 21 mm and an outer diameter of dae #24 mm. Take LAB= Lec 250 mm and G = 25 GPa. If the pipe is tightly secured to the wall at C. determine the angle of twist at point A A LAB 75 N 150 mm- 200 mm Lac 75 N 022