Calculate the crippling load for a column using Euler's theory for long columns, whose effective length is 3 m. Take modulus of elasticity as 'E' kN/m2 and moment of inertia as 'I' m4. Consider that both ends of the column are fixed.
1
0.27 π2 EI kN
2
0.30π2 EI kN
3
0.11π2 EI kN
4
0.42π2 EI kN