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Question:

A cylindrical wire is twisted with an angle θ, what is torsion produced in it?

Cθ²

Cθ³/2

Solution:

Torsion is the twisting of an object due to an applied torque. For a cylindrical wire (objects with uniform cross-sectional area), Torsion, T ∝ θ ⇒ T = Cθ