3. An element in plane stress on the fuselage of an airplane (figure part a) is subjected to compressive stresses of magnitude 35 MPa in the horizontal direction and tensile stresses of magnitude 10.5 MPa in the vertical direction (see figure part b). Also, shear stresses of magnitude 12.5 MPa act in the directions shown. Determine the stresses acting on an element oriented at a clockwise angle of 40° from the horizontal. Show these stresses on a sketch of an element oriented at this angle. @ 10.5 MPa T (b) 35 MPa 12.5 MPa

Elements Of Electromagnetics
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3. An element in plane stress on the fuselage of an airplane (figure part a) is subjected to
compressive stresses of magnitude 35 MPa in the horizontal direction and tensile stresses
of magnitude 10.5 MPa in the vertical direction (see figure part b). Also, shear stresses of
magnitude 12.5 MPa act in the directions shown.
Determine the stresses acting on an element oriented at a clockwise angle of 40° from the
horizontal. Show these stresses on a sketch of an element oriented at this angle.
(a)
10.5 MPa
Ţ
(b)
35 MPa
12.5 MPa
Transcribed Image Text:3. An element in plane stress on the fuselage of an airplane (figure part a) is subjected to compressive stresses of magnitude 35 MPa in the horizontal direction and tensile stresses of magnitude 10.5 MPa in the vertical direction (see figure part b). Also, shear stresses of magnitude 12.5 MPa act in the directions shown. Determine the stresses acting on an element oriented at a clockwise angle of 40° from the horizontal. Show these stresses on a sketch of an element oriented at this angle. (a) 10.5 MPa Ţ (b) 35 MPa 12.5 MPa
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