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When analyzing bending moments in beams, what is the sign convention for a sagging moment?

54. When analyzing bending moments in beams, what is the sign convention for a sagging moment?

1. Clockwise is positive
2. Counterclockwise is negative
3. Clockwise is negative
4. Counterclockwise is positive

Answer

The correct answer is: A) Clockwise is positive

Explanation

In beam analysis, a sagging moment conventionally has a positive sign when it induces clockwise rotation.