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 ?

Question

TuteeHUB · Accepted Answer

$\frac{{{\pi ^2}EI}}{{2{L^2}}}$

TuteeHUB · Answer

$\frac{{{\pi ^2}EI}}{{{L^2}}}$

TuteeHUB · Answer

$\frac{{\sqrt 2 {\pi ^2}EI}}{{{L^2}}}$

TuteeHUB · Answer

$\frac{{{\pi ^2}EI}}{{\sqrt 2 {L^2}}}$

1.	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 ?
A.	\(\frac{{{\pi ^2}EI}}{{{L^2}}}\)
B.	\(\frac{{\sqrt 2 {\pi ^2}EI}}{{{L^2}}}\)
C.	\(\frac{{{\pi ^2}EI}}{{\sqrt 2 {L^2}}}\)
D.	\(\frac{{{\pi ^2}EI}}{{2{L^2}}}\)
Answer» D. \(\frac{{{\pi ^2}EI}}{{2{L^2}}}\)

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