Physics · Mechanics of Solids
The critical load (P cr ) of a pin-jointed column at both ends is expressed by:
- 1P cr = π 2 EI L 2✓
- 2P cr = π 2 EI 4L 2
- 3P cr = π 2 EI 16L 2
- 4P cr = 4π 2 EI L 2
Correct answer
P cr = π 2 EI L 2
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