3.3. A steel bar with the dimensions and cross section shown is suspended vertically. Three concentric downward loads are applied to the bar: 22250 N at the lower end, 13500 N at 0.35 m above the lower end, and 9000 N at 1 m above the lower end. The modulus of elasticity of the steel is 210 GPa. What is the total change in length of the bar? 1 m 9000 N 0.65 m A = 6.5 cm? 0.35 m 13500 N (cross section) 22250 N

3.3. A steel bar with the dimensions and cross section shown is suspended vertically. Three concentric downward loads are applied to the bar: 22250 N at the lower end, 13500 N at 0.35 m above the lower end, and 9000 N at 1 m above the lower end. The modulus of elasticity of the steel is 210 GPa. What is the total change in length of the bar? 1 m 9000 N 0.65 m A = 6.5 cm? 0.35 m 13500 N (cross section) 22250 N

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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3.3. A steel bar with the dimensions and cross section shown is suspended vertically. Three
concentric downward loads are applied to the bar: 22250 N at the lower end, 13500 N at
0.35 m above the lower end, and 9000 N at 1 m above the lower end. The modulus of elasticity
of the steel is 210 GPa. What is the total change in length of the bar?
1 m
9000 N
0.65 m
A= 6.5 cm2
0.35 m
13500 N
(cross section)
22250 N
->

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