determine the required diameter if the stress is not to exceed 140 MPa and the total elongation is not to exceed 4 mm
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A steel wire is 6 m long, hanging vertically supports a load of 2000 N. Neglecting the weight of the wire, determine the required diameter if the stress is not to exceed 140 MPa and the total elongation is not to exceed 4 mm. E=200,000 MPa
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- A steel wire 5 m long hanging vertically supports a weight of 1200 kN. Determine the required wire diameter if the stress is limited to 140 MPa and the total elongation must not exceed 4 mm. Neglect the width of the wire and assume E=200 GPa.A steel wire 5u-m long hanging vertically supports a weight of 1200 N. Determine the required wire diameter if the stress is limited to 140 MPa and the total elongation must not exceed 4 mm. Neglect the weight of the wire and assume E=200 GPa.A steel wire 5-m long hanging vertically supports a weight of 1200 N. Determine the required wire diameter if the stress is limited to 140 MPa and the total elongation must not exceed 4 mm. Neglect the weight of the wire and assume E = 200 GPa.
- 1. A 60-mm diameter steel tube with a wall thickness of 3 mm just fits in a rigid hole. Determine the tangential stress developed if an axial compressive load of 12 kN is applied. Use v = 0.30 and E = 200 GPa. Answer: 0 = 6.37 MPa 2. A 200-mm long bronze tube closed at both ends fits without clearance in a 70-mm hole in a rigid block. It has a diameter of 70 mm and a wall thickness of 5 mm. The tube then sustained an internal pressure of 4.5 MPa. Use v = 0.33 and E= 83 GPa. Compute the tangential stress in the tube. Answer: Ot = 5.20 MPaThe rectangular bar is connected to the support bracket with a 26-mm-diameter pin. The bar width is w=60 mm and the bar thickness is 15 mm. Each side of the bracket has the same dimensions as the bar. The average shear stress in the pin cannot exceed 120 MPa, the bearing stress in the bar cannot exceed 120 MPa, and the bearing stress in the bracket cannot exceed 120 MPa. Determine the maximum value of Pmax that can be supported by the structure. Answer: Pmax KNThe rectangular bar is connected to the support bracket with a 11-mm-diameter pin. The bar width is w = 60 mm and the bar thickness is 10 mm. Each side of the bracket has the same dimensions as the bar. The average shear stress in the pin cannot exceed 120 MPa, the bearing stress in the bar cannot exceed 120 MPa, and the bearing stress in the bracket cannot exceed 120 MPa. Determine the maximum value of Pmax that can be supported by the structure.
- The rectangular bar is connected to the support bracket with a 19-mm-diameter pin. The bar width is w = 70 mm and the bar thickness is 15 mm. Each side of the bracket has the same dimensions as the bar. The average shear stress in the pin cannot exceed 135 MPa, the bearing stress in the bar cannot exceed 150 MPa, and the bearing stress in the bracket cannot exceed 130 MPa. Determine the maximum value of Pmax that can be supported by the structure. P Answer: Pmax i kNThe rectangular bar is connected to the support bracket with a 24-mm-diameter pin. The bar width is w = 80 mm and the bar thickness is 20 mm. Each side of the bracket has the same dimensions as the bar. The average shear stress in the pin cannot exceed 125 MPa, the bearing stress in the bar cannot exceed 130 MPa, and the bearing stress in the bracket cannot exceed 130 MPa. Determine the maximum value of Pmax that can be supported by the structure. P Answer: Pmax =The rectangular bar is connected to the support bracket with a 10-mm-diameter pin. The bar width is w = 65 mm and the bar thickness is 15 mm. Each side of the bracket has the same dimensions as the bar. The average shear stress in the pin cannot exceed 140 MPa, the bearing stress in the bar cannot exceed 130 MPa, and the bearing stress in the bracket cannot exceed 140 MPa. Determine the maximum value of Pmax that can be supported by the structure. Answer: Pmax= i KN
- The rectangular bar is connected to the support bracket with a 19-mm-diameter pin. The bar width is w = 75 mm and the bar thickness is 20 mm. Each side of the bracket has the same dimensions as the bar. The average shear stress in the pin cannot exceed 120 MPa, the bearing stress in the bar cannot exceed 150 MPa, and the bearing stress in the bracket cannot exceed 150 MPa. Determine the maximum value of Pmax that can be supported by the structure. Answer: Pmax=The rectangular bar is connected to the support bracket with a 17-mm-diameter pin. The bar width is w = 80 mm and the bar thickness is 15 mm. Each side of the bracket has the same dimensions as the bar. The average shear stress in the pin cannot exceed 125 MPa, the bearing stress in the bar cannot exceed 150 MPa, and the bearing stress in the bracket cannot exceed 150 MPa. Determine the maximum value of Pmax that can be supported by the structure. P KN Answer: Pmax= iThe rectangular bar is connected to the support bracket with a 27-mm-diameter pin. The bar width is w = 65 mm and the bar thickness is 10 mm. Each side of the bracket has the same dimensions as the bar. The average shear stress in the pin cannot exceed 125 MPa, the bearing stress in the bar cannot exceed 120 MPa, and the bearing stress in the bracket cannot exceed 130 MPa. Determine the maximum value of Pmax that can be supported by the structure. Answer: Pmax= P Mi KN