alleryA very deep, thin beam may bend sideways under load. This is called:
AShearing
BYielding
CBuckling
DFracture
Answer & Solution
Correct answer: C. Buckling
1. A deep bar is strong against sag.
2. But an off-centre load can tip it sideways.
3. That sideways bend is buckling.
_Source: syllabus Physics Part II, Chapter 9, Mechanical Properties of Solids._
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