If the mass is NOT carefully set into motion, it becomes a conical pendulum, which does not swing along a vertical plane and is, therefore, a more complicated physical system. 2.1.5 What tables will you need to organize your measurements and the uncertainty calculations? Test Procedure. You can vary friction and the strength of gravity. ME-9833 7 Experiment 1: Parallel Axis Theorem Equipment Theory The moment of inertia about a parallel axis, Ipivot, is the moment of inertia about the center of gravity, Icm, plus the moment of inertia of the entire object treated as a point mass at the center of gravity: Then the period T for one A. A protractor is placed below the pivot which allows us to set the pendulum oscillation at different angles (amplitude). The gravitational acceleration, 'g', was also determined from the experiment. For the purposes of this experiment, you will need to ensure that your simple pendulum swings in a vertical plane. Figure 2: Experiment Setup . 1. 6. The apparatus is shown in Figure 2. Objective:The objective of the experiment was to show that the period of oscillation for a pendulum is independent of the mass of the bob. In this lab we will establish the relationship between the period and the length of the pendulum by measuring the period for di ering lengths. the pendulum are related by a power function. It’s easy to measure the period using the photogate timer. Set up phyphox on the phone for accelerometer as shown on the right 4. Record the length of the pendulum in the table below. PhET Explorations: Pendulum Lab. In this experiment, we will simply record the angular displacement of the pendulum following its release from rest from some initial displacement. There are three possible independent variables that may change the period of the pendulum (mass, length, and angle of swing). Lab 1 Summary - Covers the "Data Analysis" lab Lab 2 Summary - Covers the "Free Fall-Measure of "g" lab Lab 4 Summary - Covers the "Conservation of Mechanical Energy" lab PH-101 lab #9 - Lab report Lab Report - Simple Pendulum Chapters 7, 8, and 9 chapter notes Bio 230 Study Guide Questions All Answered Forensic Mass Disasters Pendulum Lab 3 Summary - Covers the "Newton's Laws" lab Lab … Equipment and Setup For this experiment you will need a TI calculator with the Vernier PHYSICS program loaded, a CBL unit, a motion detector, and a pendulum. Record the phyphox interface for 3 oscillations. Hardware setup With the help of a lab partner, set the pendulum in motion until it completes 30 to and fro oscillations, taking care to record this time. 2. 2.2 Preliminaries A bob is suspended from a pivot by a string. Figure 1: Supplies for Experiment. Play with one or two pendulums and discover how the period of a simple pendulum depends on the length of the string, the mass of the pendulum bob, and the amplitude of the swing. Procedure 1. Find out how to set up your own pendulum experiments. Experiment Time - Pendulum experiments demonstrate that the length of the pendulum is what affects the pendulum's period. Record Measurement in a data table and repeat 6 times 7. State the three null hypothesis/alternative hypothesis pairs that may allow you to answer the question, “Does changing the pendulum’s mass, length, and angle of swing change the period of the pendulum?” 1. The simple pendulum is composed of a small spherical ball suspended by a … After assembling the pendulum and ensuring the USB Accelerometer was operating (blinking blue LED), the pendulum was put into motion by pulling the weight back several feet while maintaining the string taught and releasing the weight. Release the pendulum from 10 degrees measured using the protractor 5. The length of the pendulum is measured from the top of the string to the middle of the phone 3. Measure the length of the pendulum to the middle of the pendulum bob. The resulting period and the rate at which the amplitude of the oscillation decays will then be employed to identify and , which in turn can be used to identify . Theory:A simple pendulum consists of a bob suspended by a light (massless) string of length 'L' fixed at its upper end. Physical Pendulum Set Model No. when choosing the initial setup of your experiment. The apparatus for this experiment consists of a support stand with a string clamp, a small spherical ball with a 125 cm length of light string, a meter stick, a vernier caliper, and a timer. May change the period of the pendulum oscillation at different angles ( amplitude ) the initial setup of experiment... 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