A rectangular bar of length L has a slot in the central half of its length. The bar has width b, thickness t, and elastic modulus E. The slot has width b/3. The overall length of the bar is L = 520 mm, and the elastic modulus of the material is 74 GPa. If the average normal stress in the central portion of the bar is 190 MPa, calculate the overall elongation o of the bar. b 14 Answer: Ō = i 2 6/3 4/44 mm

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A rectangular bar of length L has a slot in the central half of its length. The bar has width b, thickness t, and elastic modulus E. The
slot has width b/3. The overall length of the bar is L = 520 mm, and the elastic modulus of the material is 74 GPa. If the average
normal stress in the central portion of the bar is 190 MPa, calculate the overall elongation of the bar.
Answer: 6 =
b
IN
-1/2-
b
6/3
mm
Transcribed Image Text:A rectangular bar of length L has a slot in the central half of its length. The bar has width b, thickness t, and elastic modulus E. The slot has width b/3. The overall length of the bar is L = 520 mm, and the elastic modulus of the material is 74 GPa. If the average normal stress in the central portion of the bar is 190 MPa, calculate the overall elongation of the bar. Answer: 6 = b IN -1/2- b 6/3 mm
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