The state of stress in a machine element is illustrated in the stress element as shown in Figure 4: (a) (b) 250 MPa Figure 4 By calculations ie using equations or formulae find the following: The principal stress. 400 MPa 560 MPa The normal and shear stresses on a plane inclined at 30° CW. X

The state of stress in a machine element is illustrated in the stress element as shown in Figure 4: (a) (b) 250 MPa Figure 4 By calculations ie using equations or formulae find the following: The principal stress. 400 MPa 560 MPa The normal and shear stresses on a plane inclined at 30° CW. X

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter7: Analysis Of Stress And Strain

Section: Chapter Questions

Problem 7.3.24P: The stresses acting on a stress element on the arm of a power excavator (see figure) are ax= 52 MPa...

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Concept explainers

Stress transformation

The term stress indicates the measure of internal forces that develop due to an external force's application on an object. When a specific external force is applied to an object, internal stress generates in the material. The value of stress can obtain by taking the ratio of the externally applied force and cross-sectional area of the object. There are different types of stress depending on the type of external force.

Question

The state of stress in a machine element is illustrated in the stress element as shown in Figure 4:
(a)
(b)
250 MPa
Figure 4
By calculations ie using equations or formulae find the following:
The principal stress.
400 MPa
560 MPa
The normal and shear stresses on a plane inclined at 30° CW.
L.

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