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We know that non-conservative forces like friction is a dissipative force.

But according to my book when a solid cylinder is rolling down a rough inclined plane of inclination angle $\theta$ the friction is not dissipative. Why is it so?

Qmechanic
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1 Answers1

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Because the work done by friction is converted into rotational kinetic energy of the cylinder, since friction provides the torque to roll down the cylinder.

ACuriousMind
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