Q2. A circular rod of 500 mm long is subjected to a tensile force of 50kN. The tensile strength is measured as 160 N/mm? and having the modulus of elasticity as 200KN/mm2. Calculate the Diameter of the steel rod (Express unit in mm) Elongation (i) (ii)
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- A 1,394-lb force is applied to a rotating tool steel bar at a frequency of 3000 cycles/minute. The bar is is 12.00 in. long. The fatigue curve for the steel used in the bar is shown below. Calculate the diameter of the shaft that would be needed to prevent fatigue failure from ever occurring. Use ±σ=32FLπd3 and report your units in inches.Two tension forces (F1 and F2) are applied at the ends of a rope to be able to lift a 1-kg box. The rope makes an angle with the horizontal as seen below, what is the value of the applied tensile force in Newtons? Use g=9.81 m/sec2.Three uniform 1-meter bars weighing "W" each are welded together as shown. The bars are suspended by three vertical wires. Bars AB and BC lie in the horizontal x-y plane, and the third bar lies in a plane parallel to x-z plane. If the tension at B is 250 N, determine the value of w (in kg) and the tension in A and C.
- A 30m tape weighing 0.90kg has a cross-sectional area of 0.0485cm2. The tape measures 30m when supported throughout the length under a tension of 5kg. What tension is required to make the tape measure 30m when supported only at its ends? Consider the Modolus elasticity is 2.1x10^6SHOW COMPLETE ANSWER AND ILLUSTRATION FINAL ANSWER IN 3 DECIMAL PLACES Problem 4: A steel bar 50 mm in diameter and 2 m long is surrounded by a shell of castiron 5 mm thick. Compute the load that will compress the combined bar a total of 1 mm. For steel, E = 200 GPa, and for cast iron, E = 100 GPa.The figure above is a skycam which is supported by 2 wires (assume that no wires holding at the top of this device). Assume that the wires are 0.05 inches diameter. If the skycam weighs 94 lbs, then the tensile stresses of wire 1 and wire 2 are Blank 1 ksi and Blank 2 ksi respectively.
- A compound bar consisting of bronze, aluminum, and steel segments is loaded axially as shown in the figure. The cross-sectional area of the bronze, aluminum, and steel are 448 mm2, 622 mm2 , and 265 mm2 respectively.Determine the change in length (in mm) of the bar if P = 27199 N.The moduli of elasticity are 81.82 GPa for bronze ,73.92 GPafor aluminum , and 204.55 GPa for steel .A 2 m long steel wire is fixed and hanging vertically with a tensile loadof 2 kN and causes it to stretch by 4 mm. Determine the diameter ofthe steel wire when the modulus of elasticity is 205 GPa.A. 3.5 mm B. 5.5 mm C. 4.5 mm D. 2.5 mmDetermine the maximum tensile strength of the steel bar described by the following data Initial diameter = 12 mm Final diameter = 6.5 mm Initial length = 60 cm Final length = 86 cm Ultimate load = 5000 kgf
- The rods A and B having a tensile stress of 400 N/mm², determine the diameter so that they can support the load shown. Then calculate the change in length and strain in each bar if (E=200000 MPa) (L=2 m)A rod having a cross-sectional area of 309 mm2 and a length of 159 m is suspended vertically from one end. It supports a tensile load of 29 kN at the lower end of the rod. If the modulus of elasticity of the rod is E = 276 GPa, find the total elongation (in mm) of the rod. Input the magnitude only. The answer was 54.06641. Show solution pls.Consider the 1040 carbon steel listed in the textbook's Table 6.1: A 20mm-diameter bar of this alloy is used as a structural member in an engineering design. The unstressed length of the bar is precisely 1m. The structural load on the bar is 1.2×10^5N in tension. What will be the length of the bar under this structural load (in meters)? Values from table: E [GPa (psi)] = 200(29*10^6) Y.S [MPa (ksi)] = 600(87) T.S [MPa (ksi)] = 750(109) Percent Elongation at failure = 17