800 N D 120 N.m d = 8 cm 600 N Q / If the cross section of the femur can be approximated as a circular tube, determine the state of stresses on the 160 N.m points A and B at section due to the loads as shown in figure. r. = 22 mm n = 18 mm В L = 0.15 m
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- The hollow drill pipe for an oil well (sec figure) is 6,2 in. in outer diameter and 0.75 in. in thickness. Just above the bit, the compressive force in the pipe (due to the weight of the pipe) is 62 kips and the torque (due to drilling) is 185 kip-in. Determine the maximum tensile, compressive, and shear stresses in the drill pipe.‘7.3-11 The stresses on an element are sx= -300 psi and sy= 600 psi. Find the maximum shear stresses on the element and show them on a sketch of a properly oriented clement.The stresses acting on an element are x= 750 psi, y= 600 psi, and xy = 400 psi. Determine the principal stresses and show them on a sketch of a properly oriented element.
- Repeat the previous problem using ? = 50° and stresses on the rotated element: sy1= 70 MPa, ??y1=-82 MPa, and tx1y1=-35 MPa.800 N 120 N.m d = 8 cm 600 N Q /If the cross section of the femur can be approximated as a circular tube, determine the state of stresses on the 160 N.m points A and B at section due to the loads as shown in figure. T. = 22 mm n = 18 mm tu Sl'o = IQ1 / If the cross section of the femur can be approximated as a circular tube, determine the state of stresses on the points A and B at section due to the loads as shown in figure Q1. T. = 2 cm = 1.6 cm %3D Figure Q1 B L 20 cm
- Q1. A crane hook has a triangular section at x-x as shown in Fig. Find the maximum stress at point P. 5 kN 60 0: 40 20 An dimiencions in mmFind the stresss in the left rod after its lower end is attached to the support.determine the developed stresses, the changes in length, and the changes in diameter for such that the total change in length is (0.6 mm). Using (E= 190 GPa) and (G= 72 GPa), Questions Q1: The bar (ABC) has a circular cross section and is subjected to an axial tensile force the part (AB) and (BC). B. 15mm 20mm 500mm 750m
- In the figure, the nut is tightened by applying 450 N to a lug wrench. Show the stresses on the stress element by finding the stresses at one point according to the given* Incorrect. A hollow crank with an outside diameter of 4.0 in. and a wall thickness of 0.19 in. is subjected to the loads shown. The load magnitudes are Py = 710 lb and P₂ = 355 lb, and the length dimensions are a = 14 in., b = 7 in., and c= 5 in. Determine the normal and shear stresses on the outer surface of the pipe at point H and show these stresses on a stress element. a Answer: i y H Oy = Txy= i 600.7 -2715 b Pz K Py psi psi5. A cylindrical pressure vessel has an inner diameter of 4 ft. If the yield strength for the tank material is 36 ksi and the internal pressure is 150 psi, what is the factor of safety if the wall is 0.35 inch thick? 6. For the state of stress shown, draw a Mohr's circle (mark two stress points and average normal stress value) Find the two primary principal stresses (oa and Ob) Find 01, 02, and 03 . Find maximum shear stress value. Vrms. From faliure critera, find factor safety using Tresca and Von Mises methods. (consider Oy = 36000 psi) 1500 psi 200 psi 2500 psi