Phys 1 Student Workbook.pdf

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Physics Labs with Computers, Vol. 1Student WorkbookP01: Position and Time 012-07000APART I: Computer Setup1. Connect the ScienceWorkshop interface to thecomputer, turn on the interface, and turn on thecomputer.2. Connect the stereo phone plugs of the MotionSensor to Digital Channels 1 and 2 on theinterface. Connect the yellow plug to DigitalChannel 1 and the other plug to Digital Channel2.3. Open the file titled as shown:500 scientificPASCOInterfacescientific300PASCOANALOG CHANNELSScienceW orkshop DATA LOGGING INSTRUCTIONSScienceWorkshopInterfaceDataStudio ScienceWorkshop (Mac) ScienceWorkshop (Win)P01 Position and Time.ds P01 Understanding Motion 1 P01_MOT1.SWS• The DataStudio file has a Workbook display. Read the instructions in the Workbook.• The ScienceWorkshop document has a Graph display of Position versus Time.• The Graph shows Position and Time values that were entered into the Graph.• Data recording is set to stop automatically at 10 seconds. In the DataStudio file there is athree-second ‘countdown’ before data recording begins.PART II: Sensor Calibration and Equipment Setup• You do not need to calibrate the Motion Sensor.1. Mount the Motion Sensoron a support rod so that itis aimed at yourmidsection when you arestanding in front of thesensor. Make sure that youcan move at least 2 metersaway from the MotionSensor.2. Position the computermonitor so you can see thescreen while you moveaway from the MotionSensor.TointerfaceTableBase andsupport rodMotionSensorUnderstanding Motion 1: Position and Time• You will be moving backwards for part of this activity. Clear the area behind you for atleast 2 meters (about 6 feet).p. 2 ©1999 PASCO scientific P01
Name _____________________ Class ______________ Date _________PART III: Data Recording1. Enlarge the Graph display until it fills the monitor screen.2. Study the plot of Position versus Time in order to determine the following:• How close should you be to the Motion Sensor at the beginning? _______ (m)• How far away should you move? _______ (m)• How long should your motion last? _______ (s)3. When you are ready, stand in front of the Motion Sensor.• WARNING: You will be moving backward, so be certain that the area behind you is freeof obstacles.4. When everything is ready, start recording data.• In DataStudio, click ‘Start’. There is a three-second countdown before data recordingbegins. The ‘cursor’ on the vertical axis of the Graph will move up and down as you moveforward and backward relative to the sensor. Use the feedback from ‘cursor’ to find yourbest starting position.• In ScienceWorkshop, click ‘REC’. Data recording will begin almost immediately.• The Motion Sensor will make a faint clicking noise.5. Watch the plot of your motion on the Graph and try to move so the plot of your motionmatches the Position versus Time plot already there.If the Motion Sensor is having difficulty picking up the echo, use a notebook as a reflector. Holdthe notebook at the same height as the sensor.6. Repeat the data recording process a second and a third time. Try to improve the matchbetween the plot of your motion and the plot already on the Graph.• The Graph can show more than one run of data at the same time.P01 ©1999 PASCO scientific p. 3
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Phys 1 Student Workbook.pdf

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