## Question

###### A piece of string of length $l$ and mass $M$ is fastened into a circular loop and set spinning about the center of a circle with uniform angular velocity $\omega$. Find the tension in the string. Suggestion: Draw a force diagram for a small piece of the loop subtending a small angle, $\Delta \theta$.

A piece of string of length $l$ and mass $M$ is fastened into a circular loop and set spinning about the center of a circle with uniform angular velocity $\omega$. Find the tension in the string. Suggestion: Draw a force diagram for a small piece of the loop subtending a small angle, $\Delta \theta$.

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