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uniform circular motion

uniform circular motion - Centripetal Force Apparatus Model...

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Unformatted text preview: Centripetal Force Apparatus Model No. ME-8088 Suggested Experiments Experiment 1: Centripetal Force vs. Velocity Equipment Required (for use with ScienceWorkshop sensors): i ScienceWorkshop Force Sensor (Cl-6746) Equipment Required (for use with PASPORT sensors): PASPORT Force Sensor (PS-2104) Photogate Head (ME-9498A) Photogate Head (ME-9498A) or ScienceWorkshop interface (500, 700, [:50) (Cl-6400 or Cl-6450) Photogate Port (PS-2123) Power Supply (12 v, 3A) (SE~8587) USB Link (2) (PS-2100) or Xplorer (2) (PS- 2000) or Power Link (PS-2001) EataStudio Software (ver. 1.5 or higher) Power Supply (12 V, 3AA) (SE-8587) Base support, clamps, and mounting rods DataStudio Software (ver. 1.5 or higher) Base support, clamps, and mounting rods J Introduction In this experiment, you will vary the velocity by changing the voltage to the electric motor as the centripetal force is continuously measured by the Force Sensor. The radius and mass are held constant as the velocity is increased. Setup Follow the equipment setup instructions on pages 5—7 of this manual and the Experiment Tips that follow. When you are ready to begin the experiment, open the appropriate DataStudio file on the setup disk. Figure 1a: Adjusting the voltage on the Power Supply Figure 1b: Complete setup Note: If you do not have a setup disk available, follow the DataStudio setup instructions in Appendix B (for PASPORTsensars) or C (for ScienceWorkshop sensors). I:/:L‘i€0® Centripetal Force Apparatus Model No. ME-8088 Experiment 2: Centripetal Force vs. Mass Equipment Required (for use with _' Equipment Required (for use with —| ScienceWorkshop sensors): PASPORT sensors): ScienceWorkshop Force Sensor (Cl-674671 PASPORT Force Sensor (PS-2104) J Photogate Head (ME-9498A) Photogate Head (ME-9498A) ScienceWorkshop interface (500, 700, or + Photogate Port (PS-2123) _| 750) (CI-6400 or Cl-6450) Power Supply (12 v, 3A) (SE-8587) _I USE Link (2) (PS-2100) or Xplorer (2) (PS- 2000) or Power Link (PS-2001) DataStudio Software (ver. 1.5 or higher) Power Supply (12 V, 3AA) (SE-8587) Base support, clamps, and mounting rods —i DataStudio Software (ver. 1.5 or higher) L Base support, clamps, and mounting rods Introduction In this experiment, the radius and velocity are held constant as the mass is varied. By adding additional drilled masses to the holder, the mass of the system is increased. Equal amounts of mass must also be added to the “fixed mass” to balance the arm as it rotates. Centripetal force is directly measured by the Force Sensor. Setup is» Follow the equipment setup instructions on pages 5—7 of this manual and the Experiment Tips below. When you are ready to begin the experiment, open the appropriate DataStudio file on the setup disk. [— Note: If you do not have a setup disk available, follow the DataStudio setup iizsmtctions in Appendix B (for PASPORT sensors) or C (for Science Workshop sensors). Figure 2a: Free and fixed Mass Holders Figure 2b: Complete setup HR 10 l:/_‘F-‘ifiV® Centripetal Force Apparatus Model No. ME-8088 Experiment 3: Centripetal Force vs. Radius Equipment Required (for use Equipment Required (for use with with ScienceWorkshop PASPORT sensors): sensors): ScienceWorkshop Force Sensor (Cl— * PASPOFlT Force Sensor (PS-2104) 6746) ' Photogate Head (ME-9498A) Photogate Head (ME-9498A) ScienceWorkshop interface (500, 700, Photogate Port (PS-2123) or 750) (Cl-6400 or Cl-6450) Power Supply (12 v, 3A) (SE-8587) USB Link (2) (PS-2100) or Xplorer (2) (PS- 2000) or Power Link (PS-2001) Base support, clamps, and mounting Power-Supply (12 V, 3AA) (SE-8587) rods ‘ ' ‘ ' DataStudio Software (ver. 1.5 or higher) Base support, clamps, and mounting rods DataStudio Software (ver. 1.5 or higher) Introduction In this experiment, the velocity and mass are held constant as the radius is varied. By lowering the Force Sensor, the radius increases. As the radius increases, the “fixed mass” must be moved to a matching radius to balance the rotating arm. Again, centripetal force is measured by the Force Sensor. Setup Follow the equipment setup instructions on pages 5—7 of this manual and the Experiment Tips that follow. When you are ready to begin the experiment, open the appropriate DataStudio file on the setup disk. Figure 3b: Complete Figure 3a: Changing the radius setup if? Note: If you do not have a setup disk available, follow the DataStudio setup instructions in Appendix B (for PASPORT sensors) or C (for ScienceWorkshop sensors). 12 1.7.4350“) ,«\‘ Centripetal Force Apparatus Sample Data 0.468? B 41.1515 ; C -U.2278 m Mean Squared Error 0.0338 0.1339 33 4.0 ...\[elocity( mm?) ...................... Model No. ME-8088 ———————————.—___—______——__ 14 l.’/.‘L‘{0{0® ...
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