# Lab Four - Lab Four Simple Harmonic Motion The Pendulum...

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Lab Four Simple Harmonic Motion: The Pendulum Purpose: In this lab, our goals are to prepare a controlled experiment and to determine what quantities affect the period of a pendulum. We will accomplish both of these by setting up a pendulum and measuring the period for its movement. Data and Calculations: Part One : Mass of copper Pendulum Bob m 0.0586 ± 0.00001 Kilograms Length of Pendulum l 0.75 ± 0.01 Meters Amplitude Θ 0 (Degrees) Average Period T (Seconds) 2 1.802 5 1.802 10 1.807 20 1.819 30 1.845 Part Two : Length of Pendulum l 0.75 ± 0.01 Meters Amplitude of Pendulum Θ 0 5 Degrees Material Mass (Kilograms) Average Period T (Seconds) Wood 0.0072 ± 0.00001 1.788 Plastic 0.013 ± 0.00001 1.793-1.794 Aluminum 0.02056 ± 0.00001 1.791-1.793 Brass 0.055851 ± 0.00001 1.801 Copper 0.0586± 0.00001 1.802

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Part Three: Mass of Copper Pendulum Bob 0.0586 ± 0.00001 kilograms Amplitude of Pendulum Θ 0 5 Degrees Length (Meters) Average Period T (Seconds) 0.50 ± 0.01 1.438 0.60 ± 0.01 1.565 0.70 ± 0.01 1.678 0.80 ± 0.01 1.803 0.90 ± 0.01 1.901 1.00 ± 0.01 1.995 Results: For this experiment, we found that the results were extremely accurate compared to their theoretical values for the percent errors.
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