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AP Physics 1
6.5 Rolling
6.1 Rotational Kinetic Energy
5.6 Newton’s Second Law in Rotational Form
3.4 Conservation of Energy
3.2 Work
Multi-Unit
AdvancedFRQMathematicalProportional AnalysisConceptual22.5k
Figure 1. A cylinder rolling down an incline with drag.
Figure 1. A cylinder rolling down an incline with drag.
A solid cylinder of mass \(M\) and radius \(R\) is released from rest at the top of an incline of length \(L\) that makes an angle \(\theta\) with the horizontal, as shown in Figure 1. The cylinder rolls down the incline without slipping. As the cylinder moves, the air exerts a constant drag force of magnitude \(F_D\) on the cylinder, directed opposite to its velocity. The drag force acts entirely at the center of mass of the cylinder. The rotational inertia of a solid cylinder is \(I = \dfrac{1}{2}MR^2\).

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