Question: A 5 0 0 mm long steel ( E = 2 0 1 0 3 MPa ) bar having a rectangular cross - section of

A 500 mm long steel (E=20103MPa ) bar having a rectangular cross-section of 1mm20mm is bent into a circular arc that subtends an angle of 60 degrees as shown. Calculate the maximum bending stress in MPa. [Note: the length of an arc is arclength =R where is in radians]
Section A-A
A 5 0 0 mm long steel ( E = 2 0 1 0 3 MPa ) bar

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