aluminum rod is rigidly attached between a steel rod and a bronze rod as shown in ure. Axial loads are applied at the positions indicated. The value of P is limited to 20 I in bronze, 72 KN in aluminum and 28 KN in steel. Find the area of each section that I not exceed a stress in steel of 280 MPa, in aluminum of 180 MPa, or in bronze of 200 Ра.
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- Solve the preceding problem if F =90 mm, F = 42 kN, and t = 40°MPa-26 A rectangular plate of dimensions 125 mm × 75 mm is subjected to tensile stress sy= 67 kPa and compressive stress a. If it is known that the normal stress along the diagonal t—t is ??t= -6.57 kPa, find stress ??y on element A. a3. The composite bar consists of a 20-mm diameter steel segment AB and 50-mm diameter brass end segments DA and CB. Find the stress on each segment due to the applied loads. E of steel is 200 GPa and E of brass is 101 GPa. 250mm 250mm 250mm 50mm 20mm 50mm 75KN 100KN brass steel brass D B C 75KN 100KN
- The member consists of the steel rod AB that is screwed into the end of the bronze rod Find the largest value of P that meets the following design criteria: (a) the overall length of the member is not to change by more than 3 mm; and (b) the stresses are not to exceed 140 MPa in steel and 120 MPa in bronze. The moduli of elasticity are 200 GPa for steel and 80 GPa for bronze.An aluminum rod is rigidly attached between a steel rod and a bronze rod as shown in Figure. Axial loads are applied at the positions indicated. The value of P is limited to 20 KN in bronze, 72 KN in aluminum and 28 KN in steel. Find the area of each section that will not exceed a stress in steel of 280 MPa, in aluminum of 180 MPa, or in bronze of 200 MPа. Steel Aluminum Bronze 2P P 4P 2.5 2.0 1.5Q # 4: rod and a bronze rod as shown in Figure. Axial loads are applied at the positions indicated. The value of P is limited to 20 KN in bronze, 72 KN in aluminum and 28 KN in steel. An aluminum rod is rigidly attached between a steel Find the area of each section that will not exceed a stress in steel of 280 MPa, in aluminum of 180 MPa, or in bronze of 200 MPа. CLO – 2 Steel Aluminum Bronze 2P P 4P 2.5 2.0 1.5
- Two solid cylindrical rods support a load of P = 39 kN, as shown. Rod (1) has a diameter of 16 mm and the diameter of rod (2) is 11 mm. Determine the axial stress in rod 2. Assume a = 2.2 m, b = 4.6 m, c = 2.7 m, and d = 2.4 m. Use positive for tensile stress and negative for compressive stress. Express your answer in MPa rounded to the nearest whole number.Two vertical steel rods support the rigid bar as shown. Initially, the rods are stress-free. Given the data below, determine the stress of rods A and B after the 20 kN load is applied. Neglect the weight of the bar and use E = 200 GPa for steel. L= 3 m D = 3.5 mm A. Stress of rod A (MPa) B B. Stress of rod B (MPa) C. At what temperature AT change would the stresses for both rods be equal? Use a = 11.7 L= 4 m x 10-6 mm/mmC° (C°) D = 5 mm 4m 2m 2m 20 kN(a) Two vertical rods, one of steel and other of copper are each rigidly fixed at the top and 60 cm apart. Diameters and lengths of each of the rod are 3 cm and 3.5 cm, respectively. A crossbar fixed to the rods at the lower ends carried a load of 6000 N such that the crossbar remains horizontal even after loading. Find the stress in each rod and the position of the load on the bar. Take E for the steel as 2 x 10° N/mm² and for copper as 1 x 10° N/mm?.
- The rigid bar ABC supports a load of 21.1 kN at point C. A circular rod (diameter 25 mm) supports the bar at B. The length of AB is 3.5 m and the length of BC is 1.1 m. Calculate the normal stress in the rod. Provide your answer to 2 decimal places in MPа. Rod diameter = 25mm В y F kNIt is required to determine the value of W which can be supported by the two wires shown in the figure. The allowable tensile stresses of wires AB and AC are 100 MPa and 150 MPa, respectively. The cross- sectional areas are 400 mm² for wire AB and 200 mm² for wire AC. a. Determine the allowable force in wire AB in Kilo Newton. b. Which of the following gives the maximum value of W without exceeding the allowable tensile stresses in wires AB and AC in Kilo Newton. c. Using the value of W in the previous question (b), give the sum of the stresses in wires AC and AB in Kilo Newton. 30 45Q3: A steel rod is rigidly attached between an aluminum rod and a bronze rod as shown. Axial loads are applied at the positions indicated. Find the maximum value of P that will not exceed a stress in steel of 140 MPa, in aluminum of 90 MPa, or in bronze of 100 MPa. BRONZE = 500 mm² 4P STEEL A = 400 mm² 2.5 m 2.0 m ALUMINUM A = 200 mm² P 1.5 m 2 2P