Physics Lab write up 7

# Next place an equal mass on both the fixed mass arm

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Force_mass SW, then they must find the total mass of their weight. Enter that value in kilograms ( so mass (g)/1000) into the force vs. Mass data table in DataStudio. To add mass to either of the arms, lay the components over the attachment screw in the following order: i) cable ii) mass and iii) thumbscrew. Next allow the “free mass” to move(slide) within the slot. To avoid wobbling place an equal amount of mass on both the “fixed mass” arm and the “free mass” arm. Once again the student must make sure that the “free mass” and “fixed mass” have the same radius so the motor will be balanced when rotating. Then turn on the power supply and adjust the voltage from 0 to 5 volts. Observe the vertical section of cable. If it is not completely vertical, student should adjust the horizontal rod. Then turn the power supply down to 0V.
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