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# Physical Pendulum: Rotational Simple Harmonic Motion.

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Question: A straight uniform stick having a length b (m) and a mass M (kg) is freely pivoted at one end. Find the frequency of oscillation about the pivot, assuming the angle theta is small.

https://brainmass.com/physics/torques/physical-pendulum-rotational-simple-harmonic-motion-151553

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The problem can be solved easily by considering rotational simple harmonic motion.

For a linear simple harmonic motion force acting on a particle is directly proportional to the displacement of the particle from equilibrium position and directed to the equilibrium position and hence the equation of motion is given by

F = - K*x

Where F ...

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