Please help ASAP A uniform disk of mass M and radius R is pivoted such that it can rotate freely about a horizontal axis through its center and perpendicular to the plane of the disk. A small particle of mass m is attached to the rim of the disk at the top directly above the pivot. The system is given a gentle start, and the disk begins to rotate. at this point, what force must be exerted on the particle by the disk to keep it on the disk?
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Please help ASAP A uniform disk of mass M and radius R is pivoted such that it can rotate freely abo...
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