*1-4. The shaft is supported by a smooth thrust bearing at A and a smooth journal bearing at B. Determine the resultant internal loadings acting on the cross section at C. 600 N/m C B -1m-1m-1m-1.5 m---1.5 m-- D 900 N
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- Determine the smallest allowable diameter of the shaft which is subjected to the concentrated forces. The journal bearing at A and B only support vertical forces. The allowable bending stress is σallow= 160 MPa Bearing A only receives forces in the radial direction of the bearing. Bearing B is a steering bearing and also carries longitudinal loads on the shaft. F1= 10kN F2=23 kN L1=420 mm L2= 310mm L3=540mm1-1. The shaft is supported by a smooth thrust bearing at B and a journal bearing at C. Determine the resultant internal loadings acting on the cross section at E. A B E 1 m- 1m- 1 m- 1m- 1800 N 3600 N V*1-4. The shaft is supported by a smooth thrust bearing at A and a smooth journal bearing at B. Determine the resultant internal loadings acting on the cross section at C. 600 N/m |-1m-1 m -1 m --1,5 m ----1.5 m -- 900 N
- PS-I. Determine the internal torque at each section and show the shear strem on differential volume elements located at A, B,C, and D. 300 NmThe assembly below consists of a steel rod CB and an aluminium rod BA, each having a diameter of 12 mm. If the rod is subjected to the axial loadings at A and at the coupling B, determine the displacement of the coupling B and the end A. The unstretched length of each segment is shown below. Neglect the size of the connections at B and C, and assume that they are rigid. Est = 200 GPa, Eal = 70 GPa.The shaft is supported by a smooth thrust bearing at B and a journal bearing at C. Determine the resultant internal loadings acting on the cross-section at E.
- The axle of the freight train is subjected to loadings as shown below. The diameter of the axle is 137.5 mm. If it is supported by two journal bearings at C and D, determine the maximum bending Stress. Include a FBD, SFD and BMD using either the section or graphical method. Draw a cross-section of the shaft and indicate the points of maximum tension and compression.The truss is made of three A-36 steel members, each having a cross-sectional area of 400 mm2. Determine the horizontal displacement of the roller at C when P = 8 kN.6-70. The strut on the utility pole supports the cable having a weight of 600 lb. Determine the absolute maximum bending stress in the strut if A, B, and C are assumed to be pinned. Problem 6-70 1.5 ft C A -2 ft - 4 ft B 2 in. I 600 lb 4 in.
- The composite shaft, consisting of aluminum, copper, and steel sections, is subjected to the loading shown. Determine the displacement of B with respect to C. The cross-sectional area and modulus of elasticity for eachsection are shown in the figure. Neglect the size of the collars at B and C.Determine the maximum shear stress in the solid shaft. The diameter of the shaft is 1 in. Assume the bearings between A and B and between C and D have no friction. 20 ft'lb 45 ft'lb 55 ft'lb D 30 ft'lb B A4-2. The copper shaft is subjected to the axial loads shown. Determine the displacement of end A with respect to end D if the diameters of each segment are dAB = 20 mm, dBc=25 mm, and dcp=12 mm. Take Ecu= 126 GPa. Ans: = 3.46 mm away from end D. + 2 m 3.75 m 2.5 m 22.5 kN 9 kN 36 kN 27 kN A 22.5 kN B C 9 kN