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3. A steel wire with a square cross-sectional area (one of its side is 3mm) is used to support a tensile load. Knowing that Eg = 200 GPa and the maximum allowable change in length is 0.010% of its original length (a) find the maximum value of tensile force P (in N) and (b) using the magnitude of P obtained in (a), solve for the diameter (in mm) of the steel wire if it has a circular cross-sectional area.

3. A steel wire with a square cross-sectional area (one of its side is 3mm) is used to support a tensile load. Knowing that Eg = 200 GPa and the maximum allowable change in length is 0.010% of its original length (a) find the maximum value of tensile force P (in N) and (b) using the magnitude of P obtained in (a), solve for the diameter (in mm) of the steel wire if it has a circular cross-sectional area.

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
Problem 1.1MA
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3. A steel wire with a square cross-sectional area (one of its side is 3mm) is used to support a tensile load. Knowing that E = 200 GPa and the maximum allowable change in length is 0.010% of its original length (a) find the maximum value of tensile force P: (in N) and (b) using the magnitude of P obtained in (a), solve for the diameter (in mm) of the steel wire if it has a circular cross-sectional area.
Transcribed Image Text:3. A steel wire with a square cross-sectional area (one of its side is 3mm) is used to support a tensile load. Knowing that E = 200 GPa and the maximum allowable change in length is 0.010% of its original length (a) find the maximum value of tensile force P: (in N) and (b) using the magnitude of P obtained in (a), solve for the diameter (in mm) of the steel wire if it has a circular cross-sectional area.
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