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Simple Harmonic Motion LAB REPORT

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Report for Experiment #13 Simple Harmonic Motion Kaleigh Schnell Lab Partner: Jasmin Wilson TA: Kunpeng Mu September 20, 2016 Abstract Simple Harmonic Motion is an everyday part of life that is ... not usually thought about in much detail. Simple Harmonic Motion is defined to be the motion of a mass on a spring when it is subject to the linear elastic restoring force given by Hooke's Law. The motion is sinusoidal in time and demonstrates a single resonant frequency. This lab looks at this definition and Newton’s Second Law which states an object is said to be in equilibrium when the sum of all forces acting on it add up to zero or no force means no acceleration.Introduction This experiment studies oscillations of a glider on an air track, held by a spring on each side. The point of the lab is to understand characteristics of oscillating motion: amplitude, period, frequency, and phase and to explore harmonic motion that includes damping forces. There are two investigations in this lab, the first Investigation looks at the basic apparatus of a glider on an air track attached to the ends of the track by two springs. The experimenters are to determine the amplitude A, the period T, the phase ø, and the spring constant k. The materials needed are an air track with glider, two 7.4 cm long springs, computer, PASCO PASPort USB Link and Motion Sensor, and six ring magnets. The second Investigation focusses more on damped harmonic motion. This is looking at the effects of friction on harmonic motion. The friction in this lab is caused by electromagnetic force which is generated by ring magnets placed on the glider. The magnets moving along the track induce currents which transfer energy to the track and slow the glider down. Investigation 1 Setup & Procedure [Show More]

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