lab10 - LAB #10 THE PENDULUM INTRODUCTION: In nature there...

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LAB #10 THE PENDULUM INTRODUCTION : In nature there are many physical phenomena that are repetitive, for instance the motion of the planets with respect to the sun and the oscillations of a pendulum. If a motion repeats itself after a time interval T, it is called periodic motion and is characterized by its period, T, and/or its frequency. When a physical body in periodic motion moves back and forth over the same trajectory, it is called oscillatory motion. A simple pendulum consists of a mass m, suspended by a light string. If the suspended mass is pulled a little to one side and released, it will swing back and forth, executing a periodic motion. The time that it takes the mass m to complete one full oscillation is called the period of the pendulum, T. We will: A. Measure the period of a pendulum. B. Determine the effect of the pendulum length, mass, and amplitude upon the period. C. Make conclusions about variables affecting the period of the pendulum. IMPORTANT It is essential that as the pendulum swings it does not hit and damage the photogate. See Fig.1. Proper alignment and release of the pendulum will eliminate this possible problem. APPARATUS: Pasco® photogate, ULI, Software Pendulum,(2) two string pendulum lengths 50-35- 20cm, (3) three pendulum bobs 50-20-200g, stand, meter stick. PROCEDURE:
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lab10 - LAB #10 THE PENDULUM INTRODUCTION: In nature there...

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