Ortiz_LabReport_RotationalMotion.pdf - PHY 122 Rotational...

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PHY 122: Rotational Motion Name: Ruben Ortiz Class number: 13395 Time: Monday 6pm Lab Partners: Jacqueline Klien Chengi Yin TA's name: Rick Sexton
Objective: The experiments performed in the lab will test whether a constant torque will create a constant angular acceleration for a rigid body rotating about its center of mass. Theoretically, this can be tested using the Law of Conversation of Energy. Experimental Data: mass of the block = 0.444kg mass on the string = 0.020kg radius of long axis on block = 0.05m radius of short axis on block = 0.03m radius of medium pulley = 0.0143cm radius of small pulley = 0.0048m Part 1 Data Table Short Axis, Medium Pulley Angular Acceleration = 17.2 rad/s² Id0.00122 kg*m² ± 6.723 * 10-6ΔK + ΔU = ΔE -0.347 J τavg 0.0446 N*m Part 2 Data Table Long Axis, Medium Pulley Angular Acceleration = 27.3 rad/s² Id6.187 * 10-4 kg*m² Part 3 Data Table Long Axis, Small Pulley Angular Acceleration =10.8 rad/s² Id8.6739 * 10-5kg*m² Is0.00145 kg*m² Long Axis, Medium Pulley Angular Acceleration =27.1 rad/s² Id6.264 * 10-4kg*m² Is0.00145 kg*m² Short Axis, Small Pulley Angular Acceleration = 7.03 rad/s² Id1.335 * 10-4kg*m² Is0.00145 kg*m² Short Axis, Medium Pulley Angular Acceleration =16.8 rad/s² Id0.00126 kg*m² Is0.00145 kg*m²
Data Analysis: Dynamic Moment of Inertia (Id

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