9-14. Determine (a) the principal stresses and (b) themaximum in-plane shear stress and average normal stress atthe point. Specify the orientation of the element in each case.200 MPaT100 MPa300 MPa 9-17. Determine the equivalent state of stress on anelement at the same point which represents (a) the principalstress, and (b) the maximum in-plane shear stress and theassociated average normal stress. Also, for each case,determine the corresponding orientation of the elementwith respect to the element shown and sketch the results onthe element.75 MPa+125 MPa50 MPa

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9-14. Determine (a) the principal stresses and (b) the maximum in-plane shear stress and average normal stress at the point. Specify the orientation of the element in each case. 200 MPa 100 MPa 300 MPa

9-14. Determine (a) the principal stresses and (b) the maximum in-plane shear stress and average normal stress at the point. Specify the orientation of the element in each case. 200 MPa 100 MPa 300 MPa

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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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

9-14. Determine (a) the principal stresses and (b) the
maximum in-plane shear stress and average normal stress at
the point. Specify the orientation of the element in each case.
200 MPa
T
100 MPa
300 MPa

9-17. Determine the equivalent state of stress on an
element at the same point which represents (a) the principal
stress, and (b) the maximum in-plane shear stress and the
associated average normal stress. Also, for each case,
determine the corresponding orientation of the element
with respect to the element shown and sketch the results on
the element.
75 MPa
+
125 MPa
50 MPa

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Step 2: Finding the value of principal stresses

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Step 3: Finding the orientation of principal plane

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Step 4: Finding the value of maximum in plane shear stress

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Step 5: Finding orientation of maximum shear stress plane

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