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1.8 (A). A steel bar ABCD consists of three sections: AB is of 20 mm diameter and 200 mm long, BC is 25 mm uare and 400 mm long, and CD is of 12 mm diameter and 200 mm long. The bar is subjected to an axial compressive ad which induces a stress of 30 MN/m² on the largest cross-section. Determine the total decrease in the length of e bar when the load is applied. For steel E 210 GN/m². [0.272 mm.

1.8 (A). A steel bar ABCD consists of three sections: AB is of 20 mm diameter and 200 mm long, BC is 25 mm uare and 400 mm long, and CD is of 12 mm diameter and 200 mm long. The bar is subjected to an axial compressive ad which induces a stress of 30 MN/m² on the largest cross-section. Determine the total decrease in the length of e bar when the load is applied. For steel E 210 GN/m². [0.272 mm.

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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1.8 (A). A steel bar ABCD consists of three sections: AB is of 20 mm diameter and 200 mm long, BC is 25 mm square and 400 mm long, and CD is of 12 mm diameter and 200 mm long. The bar is subjected to an axial compressive load which induces a stress of 30 MN/m² on the largest cross-section. Determine the total decrease in the length of the bar when the load is applied. For steel E 210 GN/m². [0.272 mm.]
Transcribed Image Text:1.8 (A). A steel bar ABCD consists of three sections: AB is of 20 mm diameter and 200 mm long, BC is 25 mm square and 400 mm long, and CD is of 12 mm diameter and 200 mm long. The bar is subjected to an axial compressive load which induces a stress of 30 MN/m² on the largest cross-section. Determine the total decrease in the length of the bar when the load is applied. For steel E 210 GN/m². [0.272 mm.]
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