Physics

Physics

Problem

Which expression gives the work done on a rigid body when a constant net torque τ\tau acts through an angular displacement Δθ\Delta\theta? a) W=τΔθW = \dfrac{\tau}{\Delta\theta} b) W=τ Δθ2W = \tau\,\Delta\theta^{2} c) W=τ ΔθW = \tau\,\Delta\theta d) W=12 τ ΔθW = \dfrac{1}{2}\,\tau\,\Delta\theta

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