Problem 3: The state of stress at a point is caused by three separate actions, each of which produces a pure unidirectional tension of 10 N/mm² individually but in three different directions, as shown in the figures. 10 N/mm² 10 N/mm² 10 N/mm² 10 N/mm² 10N/mm² 30° 30° 10 N/mm² By transforming the individual stresses to a common set of axes (X,Y), determine the principal stresses at the point and their directions. What do you observe? What is this state of stress called?

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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Problem 3:
The state of stress at a point is caused by
three separate actions, each of which
produces a pure unidirectional tension of
10 N/mm² individually but in three
different directions, as shown in the
figures.
10 N/mm²
10 N/mm²
10 N/mm²
10 N/mm² 10N/mm²
30° 30°
10 N/mm²
By transforming the individual stresses to a common set of axes (X,Y), determine the principal
stresses at the point and their directions. What do you observe? What is this state of stress called?
Transcribed Image Text:Problem 3: The state of stress at a point is caused by three separate actions, each of which produces a pure unidirectional tension of 10 N/mm² individually but in three different directions, as shown in the figures. 10 N/mm² 10 N/mm² 10 N/mm² 10 N/mm² 10N/mm² 30° 30° 10 N/mm² By transforming the individual stresses to a common set of axes (X,Y), determine the principal stresses at the point and their directions. What do you observe? What is this state of stress called?
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