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- The mass moment of inertia is a proportionality constant, which depends on both the body and the position of the body’s rotation axis. By measuring the rotary moment and the resulting angular acceleration, we can experimentally determine the mass moment of inertia. To do this, the SMT-TM-14 unit offers rolling experiments on an inclined plane and pendulum experiments with a physical pendulum to determine mass moments of inertia experimentally. In the rolling experiment, the inclination of the inclined plane is set through height adjustment and read on a goniometer. A disk rolls down the track. The time and the acceleration distance are measured, and the mass moment of inertia is calculated.
