The small particle of mass m and its restrainingcord are spinning with an angular
Chapter 3, Problem 3/223(choose chapter or problem)
The small particle of mass m and its restraining cord are spinning with an angular velocity \(\omega\) on the horizontal surface of a smooth disk, shown in section. As the force F is slightly relaxed, r increases and \(\omega\) changes. Determine the rate of change of \(\omega\) with respect to r and show that the work done by F during a movement dr equals the change in kinetic energy of the particle.
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