EXPERIMENT 2 - Anil Kanungo (ASK 358) Partner: Kristela...

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Anil Kanungo (ASK 358) Partner: Kristela Garcia PHY 115L – 60675 September 18, 2008 EXPERIMENT 2 – Forced Oscillations [Free Oscillations of a Fork]: 1) The dominant free oscillation frequency resides around 84 Hz 2) The next most important frequency after the dominant free oscillation would be the first harmonic which is around 161 Hz 3) The forks motion does appear to be simple harmonic [Driven Oscillations of Fork]: The driven tuning fork operates by a direct current from a power supply. The electric current passes through a coil on the fork mechanism which causes a solenoidal magnetic force. There is a contact point with a magnet through which the current passes. When the solenoid is activated, this pulls the magnet thus separating the contact point and breaking the current. This in turn deactivates the solenoid which returns the magnetic contact to its initial position where it regains contact, passes current, and the process is repeated again. [Length Dependence]:
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This note was uploaded on 02/12/2009 for the course PHY 115L taught by Professor Antoniewicz during the Fall '08 term at University of Texas at Austin.

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EXPERIMENT 2 - Anil Kanungo (ASK 358) Partner: Kristela...

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