Q2: A bar of steel, having a rectangular cross-section of 7.5 cm by 2.5 cm (see figure below), carries an axial tensile load of 180 kN. Given that, Young's modulus, E, is 200 GN/m2 and Poisson's ratio, v, is 0.3. Estimate: 1- The normal stress in the bar. 2- The change in the length, if its original length before the load is applied is 100 cm. 3- The lateral strain. 4- The decrease in the length of the sides of the cross-section. Marks) 7.5 cm 2.5 cm 180 kN 180 kN 100 cm

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Q2: A bar of steel, having a rectangular
cross-section of 7.5 cm by 2.5 cm (see
figure below), carries an axial tensile load of
180 kN. Given that, Young's modulus, E, is
200 GN/m2 and Poisson's ratio, v, is 0.3.
Estimate: 1-The normal stress in the bar. 2-
The change in the length, if its original
length before the load is applied is 100 cm.
3- The lateral strain. 4- The decrease in the
length of the sides of the cross-section.
Marks)
7.5 cm
2.5 cm
180 kN
180 kN
100 cm
Transcribed Image Text:إجابتك Q2: A bar of steel, having a rectangular cross-section of 7.5 cm by 2.5 cm (see figure below), carries an axial tensile load of 180 kN. Given that, Young's modulus, E, is 200 GN/m2 and Poisson's ratio, v, is 0.3. Estimate: 1-The normal stress in the bar. 2- The change in the length, if its original length before the load is applied is 100 cm. 3- The lateral strain. 4- The decrease in the length of the sides of the cross-section. Marks) 7.5 cm 2.5 cm 180 kN 180 kN 100 cm
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