F =75 kN The journal bearings at A and D exert only x and z components of force on the shaft. Determine the shaft's diameter to the nearest millimeter so that it can resist the loadings without exceeding an allowable: 100 mm (Radius) 200 mm B 150mm (Radium a) Shear stress of Tallow= 80 MPa. 250 mm D b) Von Mises stress of oallow = 200 MPa. VF =5 kN %3D 300 mm Note: According to the maximum distortion energy theory of failure: 1 4 C = -2 (4M² + 3T²) T2

Torialai Stan Problem 1-- Short link BD consists of a single steel bar 40 mm wide and 12 mm thick. Knowing that = Call 100 Mpa, determine: a) The maximum value of the normal stress in the link BD b) The required pin diameter at support D. 20kN 100 150 mm 300 mm D 30

Two shafts are made of the same material. The cross section of shaft A is a square of side b and that of shaft B is a circle of diameter b. Knowing that the shafts are subjected to the same torque, determine the ratio TA/TB of maximum shearing stresses occurring in the shafts. Refer to Table 3.1. -b- -b- ko b A Check my work B The ratio of maximum shearing stresses is TA/TB= 5

135 mm 85 mm σ, = -58 MPa E = 105 GPa D = 0.33 Beer & Johnston & DeWolf & Mazurek 2.86 (a) For the axial loading shown, determine the change in height and the change in volume of the brass cylinder shown. (b) Solve part a, assuming that the loading is hydrostatic with Ox= Oy = O₂ = -70 MPa

A solid 1.00 in. diameter shaft is subjected to a torque of T = 240 lb-ft and an axial load of P = 5000 lb. (a) Determine the principal stresses and the maximum shear stress at point H on the surface of the shaft. (b) Show the stresses of part (a) and their directions on an appropriate sketch. Answer: (a) Op1 = i Op2 = i Tmax in-plane A i H (1) 요. 요.. psi psi T B psi P X (b) Show the stresses of part (a) and their directions on an appropriate sketch.

The assembly consists of three disks A, B and C that are used to support the load of 140 kN. Determine the smallest diameter d, of the top disk, the diameter d₂ within the support space, and the diameter d of the hole in the bottom disk. The allowable bearing stress for the material is (allow)b = 350 MPa and allowable shear stress is allow=125 MPa. B A 140 KN - dz d₂ 20 mm 10 mm

The thin rectangular plate is uniformly deformed such that Ex = 220E, Ey= -680 uE, and yy = 870 urad. If a = 35 mm, determine (a) the normal strain &, in the plate. (b) the normal strain &, in the plate. (c) the shear strain ynt in the plate. B D. a a a a a a a a a Answers: (a) En= i HE (b) Et= i HE (c) Ynt = i prad

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When the temperature is at 30°C, the steel pipe fits snugly between the two fuel tanks. When fuel flows through the pipe, it causes the temperature to vary along the pipe as T = (3x² 20x + 120)°C. Calculate the normal stress developed in the pipe. Assume each tank provides a rigid support at A and B. a=12X10-6/°C - 150 mm 10 mm- Section a - a -6 m a a B

Load P is applied to joint D and the temperature increases by 50 °F. There are two steel (E = 29*10^6 psi; a = 6.5*10^-6/°F) AD and DC and a bronze (E = 16*10^6 psi; a = 9*10^-6/°F) BD with a length of 50 inches. Each bar is a 0.75 inch diameter. Find the deformation of every rod, the displacement at D, and the stress in each rod.