A playground merry-go-round has radius 3-rm m and moment of, Ask an Expert

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Q. Describe frictional force of a mass resting on an inclined plane but remaining motionless because of friction. How can you determine out μs and μk.

Q. A playground merry-go-round has radius 3-{rm m} and moment of inertia 3000-{rm{ kg}} cdot {rm{m}}^2 about a vertical axle through its center, and it turns with negligible friction.

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