Question: A uniform, solid metal disk of mass 6.50 kg and diameter 24.0 cm bangs in a horizontal plane, supported at its center by a vertical

A uniform, solid metal disk of mass 6.50 kg and diameter 24.0 cm bangs in a horizontal plane, supported at its center by a vertical metal wire. You find that it requires a horizontal force of 4.23 N tangents to the rim of the disk to turn it by 3.340, thus twisting the wire. You now remove this force and release the disk from rest.
(a) What is the torsion constant for the metal wire?
(b) What are the frequency and period of the tensional oscillations of the disk?
(c) Write the equation of motion for o(t) for the disk.

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IDENTIFY The torsion constant x is defined by r x a and I1 8tcos6 SET UP For the d... View full answer

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