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3. A plate from a bicycle chain is fabricated from steel with Su =140 ksi and Sy = 110 ksi. All surfaces are machined, reliability is 50%, and temperature is 200 F. The loading fluctuates between 0 and a maximum force Fo. 0.050 in. -in.- 0.191-in. rad. 0.125-in. dia. F=0 to Fo a) Find σ and σ for this loading condition. Express your answer in terms of Fo. em ea b) If the loading is such that the ratio of σ /σ increases proportionally find Fo such that the ea' em safety factor is 1.5.

3. A plate from a bicycle chain is fabricated from steel with Su =140 ksi and Sy = 110 ksi. All surfaces are machined, reliability is 50%, and temperature is 200 F. The loading fluctuates between 0 and a maximum force Fo. 0.050 in. -in.- 0.191-in. rad. 0.125-in. dia. F=0 to Fo a) Find σ and σ for this loading condition. Express your answer in terms of Fo. em ea b) If the loading is such that the ratio of σ /σ increases proportionally find Fo such that the ea' em safety factor is 1.5.

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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3. A plate from a bicycle chain is fabricated from steel with Su =140 ksi and Sy = 110 ksi. All surfaces are machined, reliability is 50%, and temperature is 200 F. The loading fluctuates between 0 and a maximum force Fo. 0.050 in. -in.- 0.191-in. rad. 0.125-in. dia. F=0 to Fo a) Find σ and σ for this loading condition. Express your answer in terms of Fo. em ea b) If the loading is such that the ratio of σ /σ increases proportionally find Fo such that the ea' em safety factor is 1.5.
Transcribed Image Text:3. A plate from a bicycle chain is fabricated from steel with Su =140 ksi and Sy = 110 ksi. All surfaces are machined, reliability is 50%, and temperature is 200 F. The loading fluctuates between 0 and a maximum force Fo. 0.050 in. -in.- 0.191-in. rad. 0.125-in. dia. F=0 to Fo a) Find σ and σ for this loading condition. Express your answer in terms of Fo. em ea b) If the loading is such that the ratio of σ /σ increases proportionally find Fo such that the ea' em safety factor is 1.5.
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