What is the critical buckling load, in N, of a simply supported aluminum column that is 610 mm long, with Young's modulus 70 GPa and cross-section 16 mm x 3.3 mm?
a) Fc = π²EIL/(KL)²
b) Fc = EI/(KL)²
c) Fc = π²EIL/L²
d) Fc = EI/L²