Lab Report Rotational Motion.docx

Lab Report Rotational Motion.docx - PHY 122 University...

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PHY 122: University Physics Lab I Name: Yong Seop Shim Group Number: 8 Class number: 70155 Time: Monday 10:00 AM TA's name: Priya
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Objective: The objective of this lab was to determine the dynamic and static moment of inertia of the rotational motion, and verify the law of conservation of energy within the system of the motion. Experimental Data: M = 0.4328kg m = 0.02kg r s = 0.0048m r m = 0.0143m a , mm b , mm c , mm 30 40 49 Short axis Long axis Small pulley Medium pulley Small pulley Medium pulley angular acceleration 5.27 ± 0.083 rad/s 2 17.7 ± 0.11 rad/s 2 8.49 ± 0.15 rad/s 2 27.3 ± 0.14 rad/s 2 initial angular position 0 rad 0 rad 0 rad 1.6 rad initial angular velocity 0 rad/s 0 rad/s 0 rad/s 8.5 rad/s final angular position NA NA NA 16.38 rad final angular velocity NA NA NA 29.15 rad/s
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Data analysis: Static moment of inertia:
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Dynamic moment of inertia:
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Energy conservation law: Results: I s short axis (865.8 ± 1.4)*10 -6 Kg*m 2 I s long axis (541.0 ± 1.1)*10 -6 Kg*m 2 I d short axis small pulley (178 ± 8)*10 -6 Kg*m 2 I d short axis medium pulley (154 ± 1)*10 -6 Kg*m 2 I d long axis small pulley
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