Rotations

# Rotations - 0.031569 0.019969 0.1 857 03 0.09 11.73 11.68...

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Adam J. Englert November 5, 2008 Newton’s 2 nd Law For Rotations 8:30 – 10:20 Lab partners: None

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The purpose of this lab is to study the application of Newton’s 2 nd law to a rotating system. The equipment I used during this experiment was a special apparatus which contains a crossbar with two weights and a shaft. The shaft fits into a base, which also contains a pulley, which allows a torque to be applied to the shaft. I used a timer, four 20 gram weights with a weight hanger, vernier calipers and meter stick calipers. Mass Hanging in kilogram s Time Trials Average Time a a τ α 0.05 16.61 16.85 16.3 16.58667 0.019412 0.018722 0.1 141 91 0.07 13.16 12.91 12.95 13.00667
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Unformatted text preview: 0.031569 0.019969 0.1 857 03 0.09 11.73 11.68 11.86 11.75667 0.038639 0.021224 0.2 272 91 0.11 10.4 10.5 10.32 10.40667 0.049315 0.022468 0.2 90 08 6 0.13 9.53 9.2 9.35 9.36 0.06096 0.023707 0.3 58 59 Mass Hanging in kilogram s Time Trials Average Time a τa α I should be equal to 47.568 with an intercept of -0.7741. B is equal to the slope or where it would not be rotating at all. When I used the linest function in excel I came up with 47.5682 9-0.7741 4 2.15259 9 0.0458 32 0.99389 4 0.0084 87 When I solved for I = 2Md²+1/12(MвL²). I got I to equal 0.010166. The uncertainty of those did two not relate....
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Rotations - 0.031569 0.019969 0.1 857 03 0.09 11.73 11.68...

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