7.2-5 The stresses acting on element A on the web of a train rail (see figure part a) are found to be 6500 psi tension in the horizontal direction and 18,500 psi com- pression in the vertical direction (see figure part b). Also, shear stresses with a magnitude of 3800 psi act in the directions shown. Determine the stresses acting on an element ori- ented at a counterclockwise angle of 30° from the horizontal. Show these stresses on a sketch of an ele- ment oriented at this angle. Can Stock Photo Inc./corepics Cross Section (a) Can Stock Photo Inc./scanrail A Side View A 18,500 psi 16500 psi (b) 3800 psi

7.2-5 The stresses acting on element A on the web of a train rail (see figure part a) are found to be 6500 psi tension in the horizontal direction and 18,500 psi com- pression in the vertical direction (see figure part b). Also, shear stresses with a magnitude of 3800 psi act in the directions shown. Determine the stresses acting on an element ori- ented at a counterclockwise angle of 30° from the horizontal. Show these stresses on a sketch of an ele- ment oriented at this angle. Can Stock Photo Inc./corepics Cross Section (a) Can Stock Photo Inc./scanrail A Side View A 18,500 psi 16500 psi (b) 3800 psi

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

7.2-5 The stresses acting on element A on the web of
a train rail (see figure part a) are found to be 6500 psi
tension in the horizontal direction and 18,500 psi com-
pression in the vertical direction (see figure part b).
Also, shear stresses with a magnitude of 3800 psi act
in the directions shown.
Determine the stresses acting on an element ori-
ented at a counterclockwise angle of 30° from the
horizontal. Show these stresses on a sketch of an ele-
ment oriented at this angle.
Can Stock Photo Inc./corepics
Cross
Section
PROBLEM 7.2-5
Can Stock Photo Inc./scanrail
A
Side
View
Sa
A
18,500 psi
T
(b)
16500 psi
3800 psi

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