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When analyzing a beam, what sign convention is used for shear forces?
23. When analyzing a beam, what sign convention is used for shear forces?
- Positive when pointing upwards
- Positive when pointing downwards
- Positive when pointing leftward
- Positive when pointing rightward
Answer
The correct answer is: A) Positive when pointing upwards
Explanation
This convention aids in determining the direction and magnitude of shear forces along the length of the beam.