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Unformatted text preview: Joshua Black March 13, 2008 Simple Harmonic Motion Torsion Pendulum General Physics I Section 2414 Purpose The purpose of this lab was to prove through experimentation that the moment of inertia of a ring around its cylindrical axis. Theory Moment of Inertia is how a bodys mass is distributed in space. It is measured for a body with a given rotational axis and a given total mass. The greater the distance from the axis to the particles that makes up the body, the greater the moment of inertia. Method In this experiment, we used a torsion pendulum to experimentally find the moments of inertia of a disk and a ring by measuring the periods of oscillation. A torsion lathe was used to find the torsional constant for the rod, which is represented by, K=T/ , where T represents torque and equals the radians of rotation. We then determined the moment of inertia of thetorque and equals the radians of rotation....
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