Pasco ME-6694 TORSION PENDULUM User Manual

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6Torsion Pendulum 012–06339APart A: Determining the Torsional Spring Constants of the Wires (k)Set Up the Equipment1. Assemble the Torsion Pendulum

012–06339A Torsion Pendulum7Collect the Data1. Put your safety glasses on.2. Wind the string around the large pulley in a clockwise direction.3. Hold

8Torsion Pendulum 012–06339ATable 1.1Calculation of torsional spring constants of the wires (κ)Run wire diameter slope of κ(inches) F vs. angPos (m) (

012–06339A Torsion Pendulum9Part B: Determining the Moment of Inertia (I) of a Disk Using Two MethodsSet Up Science Workshop1. Use the setup detailed

10Torsion Pendulum 012–06339ACompare the values of calculated I1. Calculate I using both formulas: I=T2π2κ and I=12mR2 and recordabove.

012–06339A Torsion Pendulum11Table 1.3Calculation of Idisk and cylinder from the torsional spring constantsof wires (κ)Part C: Determining the Momen

12Torsion Pendulum 012–06339AQuestions1. How closely did the calculations of I match?2. What are some possible sources of experimental error?

012–06339A Torsion Pendulum13Table TN1.1Calculation of torsional spring constants of the wires (κ),typical dataRun wire diameter slope of l κ(inches)

14Torsion Pendulum 012–06339AFigure TN1.2Typical data for determining the period of rotation (T) for the three wire diameters (disk accessory)Part BI

012–06339A Torsion Pendulum15Figure TN1.3Typical data for determining the period of rotation (T) for the three wire diameters (disk plus cylinder)I di

Torsion Pendulum 012–06339A

16Torsion Pendulum 012–06339AQuestions1. The experiment demonstrated that the magnitude of the moment of inertia of a disk can bedetermined two ways:

012–06339A Torsion Pendulum17Technical SupportFeedbackIf you have any comments about the product or manual,please let us know. If you have any suggest

012–06339A Torsion PendulumTable of ContentsSection PageCopyright, Warranty, and Equipment Return ...

iiEquipment ReturnShould the product have to be returned to PASCOscientific for any reason, notify PASCO scientific byletter, phone, or fax BEFORE ret

012–06339A Torsion Pendulum1IntroductionThe PASCO ME-6694 Torsion Pendulum, an accessory for thePASCO CI-6538 Rotary Motion Sensor (RMS), facilitates

2Torsion Pendulum 012–06339A Note: You will need bend thewires as illustrated in Figure 1.(The direction of the bend is notcritical.Figure 1Bend the

012–06339A Torsion Pendulum35. Clamp the other end of the wire under the washer of the lower wireclamp by tightening the thumbscrew firmly. Be sure th

4Torsion Pendulum 012–06339ASuggested ExperimentThe following experiment will help students build skills in using theTorsion Pendulum using Science Wo

012–06339A Torsion Pendulum5Experiment 1. Determining the Magnitude of the Moment ofInertia (I) Using Two MethodsPurposeThe purpose of the experiment