A mild steel rod of 25 mm diameter and 400 m long is encased centrally inside a hollow copper tube of external diameter 35 mm and inside diameter 30 mm. The ends of the rod and tube are rigidly attached, and the composite bar is subjected to an axial pull of 40 kN. If E for steel and cooper is 200 GN/m2 and 100 GN/m2 respectively, find the stress developed in the rod and the tube. Find also the extension of the rod.
A mild steel rod of 25 mm diameter and 400 m long is encased centrally inside a hollow copper tube of external diameter 35 mm and inside diameter 30 mm. The ends of the rod and tube are rigidly attached, and the composite bar is subjected to an axial pull of 40 kN. If E for steel and cooper is 200 GN/m2 and 100 GN/m2 respectively, find the stress developed in the rod and the tube. Find also the extension of the rod.
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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A mild steel rod of 25 mm diameter and 400 m long is encased centrally inside a hollow copper
tube of external diameter 35 mm and inside diameter 30 mm. The ends of the rod and tube are
rigidly attached, and the composite bar is subjected to an axial pull of 40 kN. If E for steel and
cooper is 200 GN/m2 and 100 GN/m2 respectively, find the stress developed in the rod and the
tube. Find also the extension of the rod.
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