Question

The equivalent length of a column having length ‘l’ fixed at one end and free at the other end is
1. 0.5 l
2. 0.7 l
3. l
4. 2l

Answer 1

Correct Answer - Option 4 : 2l

Explanation:

Various column conditions and their respective effective length are tabulated below:

Condition (distance between supports is L)	Effective length
Both ends Hinged (pinned)	L
One end hinged, another fixed	L/√2
Both ends fixed	L/2
One end fixed and another end is free	2L