Simple Harmonic Motion lab report - Lab 8 Simple Harmonic Motion David Liu April 1 2015 Individual Report Physics 2A Group 3 Group Members Mohammad

# Simple Harmonic Motion lab report - Lab 8 Simple Harmonic...

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Lab 8: Simple Harmonic Motion David Liu April 1, 2015 Individual Report Physics 2A Group 3 Group Members: Mohammad Hussain Juliet Sanchez Daniel Belmar PURPOSE:
This experiment is designated to study the simple harmonic motions by two separate parts, the first being the spring-and-mass system and the second using a simple pendulum. Within the spring-and-mass system, both the “static” and “dynamic” methods will be employed to measure the spring constant k . The period of oscillation are measured to calculate the value of g , acceleration of gravity. EQUIPMENT: 1. Metal stand. 2. Spring attached to the stand 3. Stopwatch 4. Metal ball with string attached 5. Weights in different masses 6. Protractor 7. Measuring tool a. Meter stick b. Vernier caliper PROCEDURE: The procedure for the first part of the spring-mass system consists of hooking a default weight onto the spring hanging from the top of the metal stand, and then measure this initial position. Then by increments, add the addition weights one by one, measuring the displaced position and the mass of the weight. The weight of each increment added does not need to be the same. This will allow the calculation of the spring constant k , then take the average of these k values, and name this average k s which represents static spring constant. The second part of the spring-mass system experiment will allow the calculation of the dynamic spring constant. To do this experiment, remove all the weights attached to the spring from the first part of the experiment, and then attach one increment of weight onto the spring. Pull the weight down along with the spring to a certain extent, and then