A steel wire is suspended vertically from its upper end. The wire is 400 ft long and has a diameter of
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- A cylinder filled with oil is under pressure from a piston, as shown in the figure. The diameter d of the piston is 1,80 in. and the compressive force F is 3500 lb. The maximum allowable shear stress t^^, in the wall of the cylinder is 5500 psi. What is the minimum permissible thickness t„± of the cylinder wall? (Sec figurearrow_forwardSolve the preceding problem if F =90 mm, F = 42 kN, and t = 40°MPaarrow_forwardAs shown, three steel wires, each 28 mm2 in area, are used to lift a mass M. Their unstretched lengths are 19.99 m, 19.98 m, and 20 m. If M= 1,182 kg. what stress exists in the MIDDLE wire? Use E=215 Gpa. Answer must be in MPa.arrow_forward
- 3. A mild steel rod supports a tensile load of 50 kN. If the stress in the rod is limited to 100 MPa, find the size of the rod when the cross-section is 1. circular, 2. square, and 3. rectangular with width = 3 × thickness.arrow_forwardThe P load applied to a steel bar is transferred to the board by an annular washer. The diameter of the rod is 34mm and the inner diameter of the washer is 35.7 mm. Since it is known that the axial normal stress on the steel bar is 119 MPa, and the average bearing stress between the washer and the board should not exceed 34 MPA, how many mm is the smallest allowable outer diameter of the washer?arrow_forwardTwo 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.arrow_forward
- A 10m long beam is supported by a steel rod and a hinge shown below. The rod is 20mm in diameter and the beam supports a uniform load of 1a kN/m. The weight of the beam is (11 x 1000) kg. A. Find the stress on the steel rod in Mpa B. Find the diameter in mm of the pin at B to if the allowable stress in the pin is 210 MPa C. Find the maximum force (kN) that can be applied to a steel pipe attached vertically to a rigid support if the allowable stress in the pipe is 10MPa. The outside diameter is 155mm and a thickness of 12mm.arrow_forwardA spherical pressure vessel 400 mm in diameter with a wall thickness of 15 mm is subjected to an internal pressure of 5 MPa. The modulus of elasticity of steel is 200 GPa. Calculate the stress in the wall of the container.arrow_forwardTwo 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 1 and 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.arrow_forward
- Two vertical rods one of steel and the other of copper are each rigidly fixed at the top and 50cm apart. Diameters and lengths of each rod are 2cm and 4m respectively. A cross bar fixed to the rods at the lower ends carries a load of 5000 N such that the cross bar remains horizontal even after loading. Find the stress in each rod and the position of the load on the bar. Take E for steel = 2 x 105 N/mm2 and E for copper = 1x 105 N/mm2.arrow_forwardA circular tube AB is fixed at one end and free at the other end. The tube is subjected to axial force at joint B. If the outer diameter of the tube is 5 in. and the thickness is 3 - in., calculate the maximum normal stress in the tube (in ksi). (Include the sign of the value in your answer.) A 6 ft ed = 5 in. В V8 kips t= 3/4 in. 2.5 in. ksiarrow_forwardA 12 mm thick steel tire has a width of 110 mm has an internal diameter of 800 mm. Tire is heated and shrunk to a steel wheel 800.5 mm in diameter. E=200 MPa. Find the tensile stress in the tire. Look for the compressive pressure between the tire and wheel.arrow_forward
- Mechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage Learning