railway RRB JE (CBT I + CBT II) Mock Test 2024 Strength of Materials Columns Euler's Theory of Buckling
What is the expression for the crippling load P for a column of length L with one end fixed and other end free?
1
\(\frac{{4{\pi ^2}EI}}{{{L^2}}}\)
2
\(\frac{{2{\pi ^2}EI}}{{{L^2}}}\)
3
\(\frac{{{\pi ^2}EI}}{{4{L^2}}}\)
4
\(\frac{{{\pi ^2}EI}}{{{L^2}}}\)