Solution to Problem 512 | Flexure Formula

Problem 512
The circular bar 1 inch in diameter shown in Fig. P-512 is bent into a semicircle with a mean radius of 2 ft. If P = 400 lb and F = 200 lb, compute the maximum flexural stress developed in section a-a. Neglect the deformation of the bar.
 

Circular bar bent into a semi-circle

 

Solution 512