Which concept refers to moments causing rotation around a point in a structural member?

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Multiple Choice

Which concept refers to moments causing rotation around a point in a structural member?

Explanation:
Bending is the action where a moment causes the cross-section of a structural member to rotate, producing curvature along its length. When a couple (a moment) is applied, the section tends to rotate, and the material on one side becomes compressed while the other side is stretched, with a neutral axis in between. This rotational effect is what we describe as bending. It’s different from shear, which involves sliding between material layers; and from tension or compression, which are axial forces that shorten or lengthen the member rather than rotate its cross-section.

Bending is the action where a moment causes the cross-section of a structural member to rotate, producing curvature along its length. When a couple (a moment) is applied, the section tends to rotate, and the material on one side becomes compressed while the other side is stretched, with a neutral axis in between. This rotational effect is what we describe as bending. It’s different from shear, which involves sliding between material layers; and from tension or compression, which are axial forces that shorten or lengthen the member rather than rotate its cross-section.

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