Multiple choice

The rod PQ of length L and with flexural rigidity EI is hinged at both ends. For what minimum force F is it expected to buckle?

  1. $\frac{\pi^2EI}{L^2}$
  2. $\frac{\sqrt{2}x^2EI}{L^2}$
  3. $\frac{x^2EI}{\sqrt{2}L^2}$
  4. $\frac{x^2EI}{2L^2}$
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

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