4 ksi The state of plane stress at a point is shown on the element. (a) Draw Mohr's circle neatly to scale, and use it to complete parts (b) and (c). -20 ksi (b) Determine the principal stresses, and sketch them on a prop- erly oriented element. 9 ksi (c) Determine the maximum in-plane shear stress and average normal stress, and sketch them on a properly oriented element. -20 -10 o (ksi) -30 -20 -10 10 20 30 10 20 T (ksi)

4 ksi The state of plane stress at a point is shown on the element. (a) Draw Mohr's circle neatly to scale, and use it to complete parts (b) and (c). -20 ksi (b) Determine the principal stresses, and sketch them on a prop- erly oriented element. 9 ksi (c) Determine the maximum in-plane shear stress and average normal stress, and sketch them on a properly oriented element. -20 -10 o (ksi) -30 -20 -10 10 20 30 10 20 T (ksi)

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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Question

4 ksi
The state of plane stress at a point is shown on the element.
(a) Draw Mohr's circle neatly to scale, and use it to complete
parts (b) and (c).
20 ksi
(b) Determine the principal stresses, and sketch them on a prop-
erly oriented element.
9 ksi
(c) Determine the maximum in-plane shear stress and average
normal stress, and sketch them on a properly oriented element.
-20
-10
o (ksi)
-30
-20
-10
10
20
30
10
20
T (ksi)

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