An experiment was performed to find the moment of inertia of a flywheel. A strin

Question

An experiment was performed to find the moment of inertia of a flywheel. A string was wrapped around the large cylinder of the flywheel and a mass hangs from the end of the wound string. Mass was added in increments of 10 grams, starting at 50 grams, until the total hanging mass equaled 100 grams. Initial and final angular velocities were calculated using the formula (pi/2)/ ?t. Angular acceleration was calculated using the formula (wf2-wi2)/4pi.

1a.) The mass of the string connecting the hanging mass to the flywheel was considered negligible. If it weren’t negligible, briefly discuss how it might complicate the experiment?

1b.) What role (if any) does friction play in this experiment?

Explanation / Answer

1a) If the mass of the string connecting the hanging mass to the flywheel weren

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