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A steel bar 500 ft long, suspended vertically from one end, supports a load P at its lower end. The maximum stress in the bar is 8000 psi caused both = 30 X 10° psi and steel weighs 490 lb/cu ft, = 1.43 in. 207 by the load and by its weight. If E find the total elongation of the bar. Ans. 8000 lb 3000 lb 7000 lb 2000 lb

A steel bar 500 ft long, suspended vertically from one end, supports a load P at its lower end. The maximum stress in the bar is 8000 psi caused both = 30 X 10° psi and steel weighs 490 lb/cu ft, = 1.43 in. 207 by the load and by its weight. If E find the total elongation of the bar. Ans. 8000 lb 3000 lb 7000 lb 2000 lb

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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207 load P at its lower end. The maximum stress in the bar is 8000 psi caused both by the load and by its weight. If E = 30 X 10 psi and steel weighs 490 lb/cu ft, find the total elongation of the bar. A steel bar 500 ft long, suspended vertically from one end, supports a Ans. 6 = 1.43 in. 8000 lb 3000 lb 7000 lb 2000 lb 4' 5 3'- Fig. P-208 and P-209.
Transcribed Image Text:207 load P at its lower end. The maximum stress in the bar is 8000 psi caused both by the load and by its weight. If E = 30 X 10 psi and steel weighs 490 lb/cu ft, find the total elongation of the bar. A steel bar 500 ft long, suspended vertically from one end, supports a Ans. 6 = 1.43 in. 8000 lb 3000 lb 7000 lb 2000 lb 4' 5 3'- Fig. P-208 and P-209.
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