A circular rod of length l = 2 m is subjected to a compressive load P, as shown in the figure. The bending (flexural) rigidity of the rod is 2000 Nm2. If both ends are pinned, then the critical load Pcr in N (rounded to the nearest integer) at which the rod buckles elastically is
A. 4935
B. 2000
C. 5167
D. 1238
Answer:A
A circular rod of length l = 2 m is subjected to a compressive load P, as shown in the figure. The bending (flexural) rigidity of the rod is 2000 Nm2. If both ends are pinned, then the critical load Pcr in N (rounded to the nearest integer) at which the rod buckles elastically is
A. 4935 B. 2000 C. 5167 D. 1238