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A solid disk of radius R and mass M is hung from a point on its circumference. The disk is...

Question:

A solid disk of radius R and mass M is hung from a point on its circumference. The disk is momentarily pushed after which it performs small angle oscillations about its pivot. Derive the equation for calculating the period of the oscillations.

Physical Pendulum

A physical pendulum is any real pendulum that uses an extended body, assuming that all of its mass concentrated at a point called center of mass.

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Let us recap important information from the question

  • Mass of the disc is {eq}\ M {/eq}
  • Radius of the disc is {eq}\ R {/eq}

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Pendulums in Physics: Definition & Equations

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Chapter 11 / Lesson 6
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After watching this lesson, you will be able to explain what a pendulum is, why it is an example of simple harmonic motion, and use equations to solve pendulum problems. A short quiz will follow.


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