6-79 The steel shaft has a circular cross section with a di-ameter of 2 in. It is supported on smooth journal bearingsA and B, which exert only vertical reactions on the shaft.Determine the absolute maximum bending stress in the shaftif it is subjected to the pulley loadings shown.A20 in.20 in. -20 in. -20 in.-500 lb300 lbProb. 6-79500 lbB

Answered: 6-79 The steel shaft has a circular…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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1-7. Determine the resultant internal loading on the cross section through point D of the pliers. There is a pin at A, and the jaws at B are smooth. 20 N 20 N -120 mm- 80 mm 30° 40 mm 15 mm B
The frame shown below is subjected to an applied Point Load of 27kN and a Uniformly Distributed Load of 3kN/m and is supported at A by a pinned connection and at B by a roller connection. Calculate the vertical support reaction at B. Give your answer in kN to 2dp. 3m 3m PL UDL 5m A
Q-1 Link-2, shown in the figure, is 30 mm wide, has 12 mm diameter bearings atthe ends, and is cut from low carbon steel bar having a minimum yield strength of190 MPa. The end-condition constants for link-2 are C = 1 and C = 1.2 for bucklingin and out of the drawing, respectively.a) Draw necessary and clear free-body diagrams to determine the reactions atthe supports and the load on both member-2 and member-3. b) Determine a suitable thickness for link-2, based on a design factor of safetyηD = 4, and considering a material having E = 207 GPa, and a minimum yieldstrength Sy = 350 MPa.c) Determine the stress and resulting factor of safety for each pin, and state yoursuggestions in case of design factors less than 4.
The compound shaft, which is fixed at both ends, is composed of Aluminum shaft ABC (Gal = 24 GPa, d = 50 mm), steel sleeve AB (Gst = 76 GPa, dout = 90 mm), and copper sleeve ABC (Gcu = 45 GPa, dout = 75 mm), which are all welded together. Considering the allowable shear stresses (Tal, Ist, Tcu), determine the maximum allowable torque T (kN-m) that may be applied at B as shown. Note: Double-headed arrows follow the direction of the thumb when using the right-hand rule. A Parameters Tal = 51 MPa Tst = 101 MPa Tcu = 71 MPa steel Cu AI L = 5m B ➡T Cu AI L= 3.5m C
F5. The circular shaft AC is fixed to rigid walls at A and C. The section AB is solid annealed bronze and the hollow section BC is made of aluminum alloy 2024 T-4. There is no stress in the shaft before the 20,000 ft-lb torque is applied. Determine the maximum shearing stress in each shaft after T is applied. Section BC 4 D=4" 20 ft-k 6.5-FE B 5ft Match each item to a choice: TAB TBC 2"
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