Beams transfer loads primarily in which direction relative to their length?

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Multiple Choice

Beams transfer loads primarily in which direction relative to their length?

Explanation:
Beams carry loads by bending and shear, so the main way the internal forces flow is across the cross-section of the member. That force path runs perpendicular to the beam’s long axis, moving from one side of the cross-section to the other as the load is transmitted toward the supports. If loading were carried parallel to the length, the member would act more like a column (axial member) rather than a beam. So the primary direction of load transfer relative to the beam’s length is perpendicular to its length.

Beams carry loads by bending and shear, so the main way the internal forces flow is across the cross-section of the member. That force path runs perpendicular to the beam’s long axis, moving from one side of the cross-section to the other as the load is transmitted toward the supports. If loading were carried parallel to the length, the member would act more like a column (axial member) rather than a beam. So the primary direction of load transfer relative to the beam’s length is perpendicular to its length.

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