The principal stresses at a point in a criticalsection of a machine component are o, = 60 MPa.40 MPa. For the material=5 MPa and oof the component, the tensile yield strength is0 = 200 MPa. According to the maximum shearstress theory, the factor of safety is(a) 1.67(b) 2.00(c) 3.60(d) 4.00

Given:σ1=60 MPaσ2=5 MPaσ3=-40 MPaσy=200 MPa

The principal stresses at a point in a critica section of a machine component are o, = 60 MPa a, =5 MPa and o,=-40 MPa. For the materia %3D of the component, the tensile yield strength is = 200 MPa. According to the maximum shea stress theory, the factor of safety is

The principal stresses at a point in a critica section of a machine component are o, = 60 MPa a, =5 MPa and o,=-40 MPa. For the materia %3D of the component, the tensile yield strength is = 200 MPa. According to the maximum shea stress theory, the factor of safety 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

Chapter3: Torsion

Section: Chapter Questions

Problem 3.5.8P: A solid circular bar of steel (G = 78 GPa) transmits a torque T = 360 N - m. The allowable stresses...

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Question

The principal stresses at a point in a critical
section of a machine component are o, = 60 MPa.
40 MPa. For the material
=5 MPa and o
of the component, the tensile yield strength is
0 = 200 MPa. According to the maximum shear
stress theory, the factor of safety is
(a) 1.67
(b) 2.00
(c) 3.60
(d) 4.00

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