Pasco WA-9857 String Vibrator User Manual

Instruction ManualNo. 012-08798AInstructionsDemonstrationsExperimentsSample DataString VibratorWA-9857

String Vibrator String Density and Wavelength10®4. Loosen the clamp on the String Vibrator and slide it along the table to adjust the length of the vi

Model No. WA-9857 Demonstration 2: Closed Tube Analogy11®Demonstration 2: Closed Tube Analogy*With a Sine Wave Generator (ME-9867), or another a ±10 V

String Vibrator Closed Tube Analogy12®4. Adjust the hanging mass (or the driving frequency) so that there is a node at the blade and an anti-node at t

Model No. WA-9857 String Vibrator13®Experiment 1: Wave SpeedIntroductionIn this experiment you will determine the wave speed in a stretched string usi

String Vibrator Wave Speed14®2. Cut about 1 m of elastic cord. Measure its exact unstretched length. Measure the mass using a balance. Calculate the U

Model No. WA-9857 Experiment 1: Wave Speed15®Wave Speed Calculated from Tension and String DensityYou can also calculate the wave speed from the tensi

String Vibrator Wave Speed16®4. Start recording data just before you pluck the string, then immediately stop recording.5. View the force and voltage d

Model No. WA-9857 String Vibrator17®L =L = ll32L = l12Experiment 2: Standing Waves In StringsPurposeThe general appearance of waves can be shown by me

String Vibrator Standing Waves In Strings18®adjusted to the frequency of the driving vibrator, one vibrational mode will occur at a much greater ampli

Model No. WA-9857 Experiment 2: Standing Waves In Strings19®Procedure1. Adjust the tension by adding to or subtracting from the hanging mass so that t

String Vibrator Model No. WA-9857ContentsIntroduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

String Vibrator Standing Waves In Strings20®2. For every value of mass, calculate the tension (including uncertainty) in the string.Tension = F = mg3.

Model No. WA-9857 String Vibrator21®Experiment 1:Teachers’ Notes–Wave SpeedEquipment NotesClampsInstead of table clamps and rods, you can use two C-cl

String Vibrator Teachers’ Notes–Wave Speed22®TensionF = 10.4 NWave Speed Calculated from Wavelength and FrequencyStretched Length = L = 2.343 mNumber

Model No. WA-9857 Experiment 2: Teachers’ Notes–Standing Waves In Strings23®Be sure to measure from the sudden force change, not the relatively slow v

String Vibrator Teachers’ Notes–Standing Waves In Strings24®Analysis Method 2f = (60.0 ± 0.1) HzL = (0.987 ± 0.001 m)This result differs from the dire

Model No. WA-9857 String VibratorSafetyRead the instructions before using this product. Students should be supervised by their instructors. When using

Model No. WA-9857 String Vibrator3®String VibratorModel No. WA-9857The demonstrations and experiments described in this manual call for additional equ

String Vibrator Equipment Setup4®Equipment SetupPowerThe AC Power supply plugs into the Power Input of the String Vibrator. It drives the String Vibra

Model No. WA-9857 Equipment Setup5®Rod ClampThe case of the String Vibrator has a built-in rod clamp for mounting it either horizontally or verticall

String Vibrator Equipment Setup6®Vertical StringThe vertical arrangement with the elastic cord makes a good classroom or lecture demonstration. It req

Model No. WA-9857 Equipment Setup7®Good Nodes Versus Bad NodesMost demonstrations and experiments involve adjusting the length, tension or frequency

String Vibrator Introductory Activity8®Introductory ActivityThis activity works best with two or more people.1. Attach the String Vibrator to the tabl

Model No. WA-9857 Demonstration 1: String Density and Wavelength9®Demonstration 1:String Density and Wavelength*The recommended inelastic cord (PASCO