Q1: Considering the forces acting on the bar having solid circular cross-section, and an elastic modulus of E=200 GPa ; 50 mm 20 mm 15 kN 20 kN 30 mm 12 kN a) Draw the normal force diagram of the whole bar and obtain the normal stress at each section of the bar A 0.5 m 0.3 m 0.4 m b) Calculate the elongation of point A with respect to point C c) If the factor of safety of the system is foreseen as 1.75, calculate the minimum yield stress of the bar material (-

Q1: Considering the forces acting on the bar having solid circular cross-section, and an elastic modulus of E=200 GPa ; 50 mm 20 mm 15 kN 20 kN 30 mm 12 kN a) Draw the normal force diagram of the whole bar and obtain the normal stress at each section of the bar A 0.5 m 0.3 m 0.4 m b) Calculate the elongation of point A with respect to point C c) If the factor of safety of the system is foreseen as 1.75, calculate the minimum yield stress of the bar material (-

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

Q1: Considering the forces acting on the bar having
solid circular cross-section, and an elastic modulus of
E=200 GPa ;
50 mm
20 mm
15 kN
20 kN
30 mm
12 kN
a) Draw the normal force diagram of the whole bar and
obtain the normal stress at each section of the bar.
A
B
C
0.5 m
0.3 m
0.4 m
b) Calculate the elongation of point A with respect to
point C
c) If the factor of safety of the system is foreseen as 1.75, calculate the minimum yield stress of the bar
material (-

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