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4. A small race car has an aluminum hub (shown in red). The drive axle is press-fit into the hub, resulting in compressive pressure and torsional friction as shown below when the wheel is powered. Assuming a coefficient of static friction of 0.3 and a shear yield strength of 30 ksi for the shaft, determine the maximum allowed contact pressure, p (in psi). In other words, how much contact pressure (and resulting torque) would cause yielding of the shaft? Given: d=0.75in, w=1.5in S: Friction force per unit area p: Normal force per unit area

4. A small race car has an aluminum hub (shown in red). The drive axle is press-fit into the hub, resulting in compressive pressure and torsional friction as shown below when the wheel is powered. Assuming a coefficient of static friction of 0.3 and a shear yield strength of 30 ksi for the shaft, determine the maximum allowed contact pressure, p (in psi). In other words, how much contact pressure (and resulting torque) would cause yielding of the shaft? Given: d=0.75in, w=1.5in S: Friction force per unit area p: Normal force per unit 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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4. A small race car has an aluminum hub (shown in red). The drive axle is press-fit into the hub, resulting in compressive pressure and torsional friction as shown below when the wheel is powered. Assuming a coefficient of static friction of 0.3 and a shear yield strength of 30 ksi for the shaft, determine the maximum allowed contact pressure, p (in psi). In other words, how much contact pressure (and resulting torque) would cause yielding of the shaft? Given: d=0.75in, w=1.5in f: Friction force per unit area p: Normal force per unit area
Transcribed Image Text:4. A small race car has an aluminum hub (shown in red). The drive axle is press-fit into the hub, resulting in compressive pressure and torsional friction as shown below when the wheel is powered. Assuming a coefficient of static friction of 0.3 and a shear yield strength of 30 ksi for the shaft, determine the maximum allowed contact pressure, p (in psi). In other words, how much contact pressure (and resulting torque) would cause yielding of the shaft? Given: d=0.75in, w=1.5in f: Friction force per unit area p: Normal force per unit area
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