Q. 5 At a point in a piece of elastic material there are three mutually perpendicular planes on which the stresses are as follows: tensile stress 50 N/mm² and shear stress 40 N/mm² on one plane, compressive stress 35 N/mm² and complementary shear stress 40 N/mm² on the second plane, no stress on third plane, Find (a) the principal stresses and the positions of the planes on which they act, (b) the positions of planes on which there is no normal stress.

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Q. 5 At a point in a piece of elastic material there are three mutually perpendicular planes on
which the stresses are as follows: tensile stress 50 N/mm² and shear stress 40 N/mm² on
one plane, compressive stress 35 N/mm² and complementary shear stress 40 N/mm² on the
second plane, no stress on third plane, Find (a) the principal stresses and the positions of the
planes on which they act, (b) the positions of planes on which there is no normal stress.
Transcribed Image Text:Q. 5 At a point in a piece of elastic material there are three mutually perpendicular planes on which the stresses are as follows: tensile stress 50 N/mm² and shear stress 40 N/mm² on one plane, compressive stress 35 N/mm² and complementary shear stress 40 N/mm² on the second plane, no stress on third plane, Find (a) the principal stresses and the positions of the planes on which they act, (b) the positions of planes on which there is no normal stress.
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