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

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

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

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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