120 mm Bearing y d = 34 mm с A Arm wwwww 360 mm P B Torsion bar x
A steel torsion bar AB with diameter d = 34 mm, and ductile material of tensile yield strength Sy = 276 MPa is attached to a rigid arm at A, supported by a bearing at C, and fixed at B, as the picture shows. At the right end of the arm is mounted the wheel on which the vertical force P acts from the ground and which passes through the center of the wheel. If bearing C acts as a simple support and the effect of transverse shear due to P is negligible, determine the maximum force P (in kN) that can be applied to the wheel. Consider a factor of safety n = 2.5. Use the maximum energy of distortion failure criterion and do the analysis on bar AB (torsion bar) in the section where the bearing is.
![120 mm Bearing
y
d = 34 mm
с
A
Arm
wwwww
360 mm
P
B
Torsion
bar
x](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe34be250-8596-4978-8164-208fb48867a3%2Ff1b55f28-bcaf-455c-9845-1e61009220f8%2Fdn23z2n_processed.png&w=3840&q=75)
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