A rigid bar GH of length L is supported by a hinge and a spring of stiffness K as shown in the figure below. The buckling load, PCT for the bar will be
0.5 KL
0.8 KL
1.0 KL
1.2 KL
Correct Option: C
Moment at G = 0 (hinge) At collapse, moment at G PCr × δ = k - δ × L ∴ PCr = k .L
