Q. After a puncture a driver is attempting to remove a wheel nut by applying a forceof P KN to one end of a wheel brace as shown in Fig. 1. In cross-section the braceis a hollow steel tube (see section aa) of internal diameter r mm and externaldiameter q mm.wheelnutnPosition SPmrqSection aaFig, 1(a) Calculate (i) the twisting moment, (ii) the bending moment, and (iii) the shearforce in the brace at position S due to the applied load P.(b) Calculate (i) the shear stress due to twisting, and (ii) the bending stress atposition S. Note that the shear force will not produce any shear stress at S.(c) Calculate the maximum shearing stress in the brace at position S using theMaximum Shear Stress Criterion.2Mechanics of Materials 2Tutorials Portfolio: Exercise 5(d) If the maximum permissible shear stress in the steel is 200 MPa, determinethe maximum torque that can be applied by the brace without the risk offailure at S. m (mm)340n (mm)325q (mm)3434r (mm)2222P (kN)1.2

Step 1: Given Data:P = 1.2 kN = 1200 Nm = 340 mm = 0.34 mn = 325 mm = 0.325 mOuter diameter, q = 34…

Answered: Q. After a puncture a driver is…

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter11: Columns

Section: Chapter Questions

Problem 11.2.4P: Repeat Problem 11.2-3 assuming that R= 10 kN · m/rad and L = 2 m.

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