The buckling tendency of compression members is always in the direction of the _____________________?
Correct answer: D. Least radius of gyration
- A. None of these
- B. Axis of the load
- C. Perpendicular to the axis of the load
- D. Least radius of gyration
Explanation
A compression member buckles about the weak axis, which has the least radius of gyration and therefore the smallest critical buckling load. This is why the least-radius direction governs column design.
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