Experiment 8

# Experiment 8 - Ayo Babalola Physics 218-510 Intro Because...

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Ayo Babalola Physics 218-510 Intro Because of the resonating force due to gravity of a pendulum, it keeps a very regular beat. Because of the reliability of the harmonic and steady motion of the pendulum, it has played a viable role in science throughout history. For example, the pendulum was used as the heart of clocks used in astronomical measurements at the Greenwich Observatory. A pendulum is simply a weight (or bob) at the end of a massless cord suspended from its point of motion (w/o friction). In this experiment we will explore the different factors that affect the period (the time, T, for one complete cycle) of pendulum in harmonic motion. These factors vary from the amplitude of the pendulum swing, the length if the pendulum (measured from the center of the pendulum bob to the point of motion), and the mass of the bob. Calculations =. --. +. --. avg amplitude 078 0082 075 0082 =. avg amplitude 04225m = T2 4π2gl = T2l 4π2g . . =. ; 10 8914 5 7510 = . 4π2g 4 02 Percent error: 81.2% Questions 1.

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