Lab B1-simple harmonic motion - Lab B1 Simple Harmonic...

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Lab B1: Simple Harmonic Motion March 9, 2012 Lab Mates: Anthony Agrios Leland Greenfeld Christel Charles
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I. Objective: To determine the spring constant l by stretching the spring and applying Hooke’s law, to verify that the period of vibration of a body on a spring is independent of the amplitude, and to measure the period T of a simple pendulum as a function of length L of a pendulum. II. Background Information: Simple harmonic motion is a type of periodic motion where the restoring force is directly proportional to the displacement. For a mass on a spring: T=2 m ( ¿¿ k ) π ¿ For a pendulum: T=2 L ( ¿¿ g ) π ¿ mg=k ∆ y III. Experimental Setup: A cylindrical spring is hung at the groove on the rod and then the meter stick is hung beside it so that stretching of the spring can be visually observed. The stop watch is used to measure the time. The pendulum is also hung at the groove of the rod for periodic measurement using a stopwatch.
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