Answer to Question #106759 in Classical Mechanics for Samkit

Question #106759
magnitude of work to stop a rolling sphere
1
Expert's answer
2020-03-30T08:07:11-0400

Work is force times distance. If there is no slip, the force of friction acts over a distance of 0. There is no work.

Gravity does work. As the cylinder rolls down the hill, it accelerates. It gains kinetic energy in two forms: translation and rotation


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