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A composite square member of varying sizes is subjected to axial forces along its centerline, as shown.  The members' cross-sectional dimensions, from smaller to larger, are 50 mm ´ 50 mm, 75 mm ´ 75 mm, and 100 mm ´ 100 mm, respectively. (a)  What are the normal stresses (in MPa) induced in the bar material at Section A-A, Section B-B, Section C-C? (b)  What are the changes in the axial (4.28 ft), width (100mm), and thickness (100 mm) direction (in mm), at Section C-C?   Assume n = 0.25 and       E = 200,000 MPa., 1 ft = 0.3048 m

A composite square member of varying sizes is subjected to axial forces along its centerline, as shown.  The members' cross-sectional dimensions, from smaller to larger, are 50 mm ´ 50 mm, 75 mm ´ 75 mm, and 100 mm ´ 100 mm, respectively. (a)  What are the normal stresses (in MPa) induced in the bar material at Section A-A, Section B-B, Section C-C? (b)  What are the changes in the axial (4.28 ft), width (100mm), and thickness (100 mm) direction (in mm), at Section C-C?   Assume n = 0.25 and       E = 200,000 MPa., 1 ft = 0.3048 m

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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A composite square member of varying sizes is subjected to axial forces along its centerline, as shown.  The members' cross-sectional dimensions, from smaller to larger, are 50 mm ´ 50 mm, 75 mm ´ 75 mm, and 100 mm ´ 100 mm, respectively.

(a)  What are the normal stresses (in MPa) induced in the bar material at Section A-A, Section B-B, Section C-C?

(b)  What are the changes in the axial (4.28 ft), width (100mm), and thickness (100 mm) direction (in mm), at Section C-C? 

 Assume n = 0.25 and       E = 200,000 MPa., 1 ft = 0.3048 m

-4.28 ft →C 14 KN Lxc -0.5 m →B 26.7 kN B -0.1 m A A 45 KN
Transcribed Image Text:-4.28 ft →C 14 KN Lxc -0.5 m →B 26.7 kN B -0.1 m A A 45 KN
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