A short post.
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- The one end of a hollow square bar whose side is 10.42 in with 1.42 in thickness is under a tensile stress 102,500 psi and the other end is connected with a U bracket using a pin. Find the minimum diameter of pin is used. Take oall = 243 ksi for pin material.arrow_forwardConsider the element as compression showing in fig. and calculate the effort compression, if the cross section has the indicated shape (80mm between axes and half 40mm circles) and the applied load is 640kN.arrow_forwarda short square is 1 1/2 inches x 1 1/2 inches in cross section. it is on an axial tensile load of 11,000 lbs. calculate the shear stress and the tensile stress acting on the plane which is mormal and is inclined 50 degrees to the longitudinalm axis of the bar. what is the factor of safet for the bar?arrow_forward
- You are required to size member FI of the truss shown at right using Western lumber with the following properties:• Yield stress in compression: 2100 psi• Yield stress in tension: 1300 psi• Modulus of elasticity 1700 ksi.Use a factor of safety of 2.0. For the selected section:c. Calculate the stress and the strain in member FId. Calculate the deflection of member FI; specify if elongation or shortening.arrow_forwardA flat steel bar, 29 mm wide by 5 mm thick and 1.5 m long, is bent by couples applied at the ends so that the midpoint deflection is 23 mm. Compute the maximum stress in the bar. Use E = 200 GPa. Answer must be in MPa.arrow_forwardA tensile load of 20 kN is applied on a wire made of a copper alloy having an elastic modulus of 120 GPa and an original diameter of 5.8 mm. Compute the resultant elongation if the original length of the wire is 10 m.arrow_forward
- 1. Construct a critical end-load intensity against slenderness ratio graph for a range of pinned columns made from a material having a Young's Modulus of 200 GPa and a yield stress of Use slenderness ratios from 0 to 300. 30ОMPа.arrow_forwardA mild steel tie-rod has to carry an axial load of 60KN. The maximum permissible stress is 200N/mm2. Calculate a suitable diameter for the rod.arrow_forwardPlease show the formula used and free body diagram A steel bar 50 mm in diameter and 2 m long is surrounded by a shell of a cast iron 5 mm thick. Compute the load that will compress the combined bar a total of 0.8 mm in the length of 2 m. For steel, E = 200 GPa, and for cast iron, E = 100 GPa.arrow_forward
- There is a tube from aluminium, which has an outside diameter of 50 (mm) and a wall thickness of 5 (mm) is used as a compression member. If the axial normal stress in the member must be limited to 90 MPa, what can the maximum force (in kN) that the member can support?arrow_forwardAn iron column of annular cross section has an outer diameter of 200mm and is subjected to a force of 74kN. Find the thickness of the wall in mm if the allowable compressive stress is 10MPa.arrow_forwardA short rectangular-sectioned timber post has one side of its section twice the other. When 9.542 kN is applied axially to the post, it contracts by 0.174 mm per metre length. Calculate the maximum cross-sectional dimension in mm of the post if the Young's modulus for timber is 8.176 GPaarrow_forward
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