Physics for Scientists and Engineers 10th Edition · Rotation of a Rigid Object about a Fixed Axis · Problem 42
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Serway & Jewett — Rotation of a Rigid Object about a Fixed Axis: Problem 42
Review. A spool of wire of mass \(M\) and radius \(R\) is unwound under a constant force \(\vec{F}\) (Fig. P10.42). Assuming the spool is a uniform, solid cylinder that doesn’t slip, show that (a) the acceleration of the center of mass is \(4\vec{F}/3M\) and (b) the force of friction is to the right and equal in magnitude to \(F/3\). (c) If the cylinder starts from rest and rolls without slipping, what is the speed of its center of mass after it has rolled through a distance \(d\)?
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주어진 조건: . A, 3M
구하는 것: (a) the acceleration of the center of mass is \; (b) the force of friction is to the right and equal in magnitude; (c) If the cylinder starts from rest and rolls without slipping
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Physics for Scientists and Engineers · 10th Edition
저자: Serway & Jewett
출판사: Cengage
단원: Rotation of a Rigid Object about a Fixed Axis