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Which condition leads to the occurrence of a negative bending moment in a beam?

19. Which condition leads to the occurrence of a negative bending moment in a beam?

1. Compression on the concave side
2. Tension on the convex side
3. Compression on the convex side
4. Tension on the concave side

Answer

The correct answer is: B) Tension on the convex side

Explanation

When bending stresses give the convex side of the beam to display tension and the concave side shows compression, resulting in negative bending moments.