Question: 1 1 . 2 - 3 Two rigid bars are connected with a rotational spring, as shown in the figure. Assume that the elastic rotational

11.2-3 Two rigid bars are connected with a rotational spring, as shown in the figure.
Assume that the elastic rotational spring constant is R=75 kip-in./rad. Calculate
the critical load Pcr of the system. Assume that L=6ft.
Please show where you get all equations from and all steps thoroughly!
1 1 . 2 - 3 Two rigid bars are connected with a

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