Could someone solve these two questions for me please? I have being trying for hours and i dont undestand them .I would really appriciate if u solve both and show the steps. thank you 7. A rod with a solid circular cross section is subjected to a bending moment M and a torque T.Obtain an expression for the radius R of the rod according to the Tresca criterion if the yield stressof the material is ơy and a safety factor of 2.5 is required.M8. A thin sheet consists of material that follows the von Mises yield criterion with yield stress oy =270 MPa. The sheet is subjected to plane stress. If Ox = 100MPA andOy = -100 MPa, determinethe value of the shear stress txy required to cause yielding of the material.

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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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Could someone solve these two questions for me please? I have being trying for hours and i dont undestand them .I would really appriciate if u solve both and show the steps. thank you

7. A rod with a solid circular cross section is subjected to a bending moment M and a torque T.
Obtain an expression for the radius R of the rod according to the Tresca criterion if the yield stress
of the material is ơy and a safety factor of 2.5 is required.
M
8. A thin sheet consists of material that follows the von Mises yield criterion with yield stress oy =
270 MPa. The sheet is subjected to plane stress. If Ox = 100MPA and
Oy = -100 MPa, determine
the value of the shear stress txy required to cause yielding of the material.

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