Answer: B. Twist
Shear centre is also known as centre of twist.
Shear centre is a point for a structural member at which if the center of external loads passes, then there is no twisting for the section. Shear centre is also known as centre of twist.
It means if load passes through shear centre, there would be only bending moment and no any torsion is acting on the section
Shear centre for a structural member can lie within or outside the structural member.
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