Physics106Lab- #2 - James Wong Physics 106A-005 Rotational...

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James Wong Rotational Inertia 9/18/08 Physics 106A-005 Group 3 Objective To determine the rotational inertia of rotating bodies I by measuring their angular acceleration a and compare this measurement with the rotational inertia computed from physical measurement. Setup 1. First we measured the diameters of the heavy disk and the light disk. Then we weighted the disks to calculate their mass. We also measured how long the string was, and how much the pulley attachment and the solid black screw weighted. We recorded all our data. 2. With all the data recorded, we begin setting up the experiment. First we put the bottom and top disk on top of each other. Then we placed the solid black screw to set it in place. At the end of the table we set up the mass that will begin the rotational procedure. We pull the string into the pulley and we measured how far it is from the ground. We turned on the air, and begin timing how long it takes for the mass to reach the height.
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