*R2-32. The spool and wire wrapped around its core have a
Chapter 21, Problem R2-32(choose chapter or problem)
The spool and wire wrapped around its core have a mass of 20 kg and a centroidal radius of gyration \(k_{G}=250 \mathrm{\ mm}\). If the coefficient of kinetic friction at the ground is \(\mu_{B}=0.1\), determine the angular acceleration of the spool when the \(30-\mathrm{N} \cdot \mathrm{m}\) couple moment is applied.
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