A vertical steel bar shown in figure Q1 is subiected to a compressive load of 75 kN. If the stress in the middle portion is limited to 47 MN/m? determine its cross-section dimensions. Find also the length of the middle and other portions if the total reduction in length of the bar is to be 0.04 mm. Assume Young's modulus for steel is 200 GN/m?. 75, kN Circular a D=50 mm Square bxb Circular D=50 mm a Figure Q1: Bar Loadings and Sections 200 mm

A vertical steel bar shown in figure Q1 is subiected to a compressive load of 75 kN. If the stress in the middle portion is limited to 47 MN/m? determine its cross-section dimensions. Find also the length of the middle and other portions if the total reduction in length of the bar is to be 0.04 mm. Assume Young's modulus for steel is 200 GN/m?. 75, kN Circular a D=50 mm Square bxb Circular D=50 mm a Figure Q1: Bar Loadings and Sections 200 mm

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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Question

A vertical steel bar shown in figure Q1 is subjected to a compressive load of 75 kN. If the stress
in the middle portion is limited to 47 MN/m? determine its cross-section dimensions. Find also
the length of the middle and other portions if the total reduction in length of the bar is to be 0.04
mm. Assume Young's modulus for steel is 200 GN/m?.
75, kN
Circular
a
D=50 mm
Square
bxb
Circular
D=50 mm
a
Figure Q1: Bar Loadings and Sections
200 mm

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