Pendulum with Moving Support JS Model

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written by Wolfgang Christian

The Pendulum with Moving Support mobile JavaScript Model illustrates the forces and dynamics of a pendulum attached to a moving support. This simulation uses the accelerometer on your mobile device to read the proper acceleration as measure by the mobile device. A force body (free body) diagram showing the pendulum rod force (blue), the gravitational force (black), and the force of friction (green) can also be shown. Users set the initial angle in radians and angular velocity in radians/second and you can adjust the viscous damping (friction) coefficient when the simulation is paused.

The Pendulum with Moving Support mobile JavaScript Model was developed using version 5 of the Easy Java Simulations (EJS 5) modeling tool. Although EJS is a Java program, EJS 5 creates stand-alone JavaScript programs that run in almost any browser.

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download 338kb .zip
Published: October 17, 2016
previous versions

1 ready-to-run example is available

Subjects	Levels	Resource Types
Classical Mechanics - Motion in Two Dimensions = 2D Acceleration - Newton's Second Law = Force, Acceleration - Relative Motion = Moving Reference Frames Education Practices - Technology = Computers Oscillations & Waves - Oscillations = Damped Oscillators = Pendula	- Lower Undergraduate - High School - Informal Education - Upper Undergraduate	- Instructional Material = Interactive Simulation

Intended Users	Formats	Ratings
- Learners - Educators	- text/html - application/zip - application/javascript	Currently 0.0/5 Want to rate this material? Login here!

Access Rights:: Free access
License:: This material is released under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 license.
Rights Holder:: Wolfgang Christian
Keywords:: accelerometer, mobile device
Record Cloner:: Metadata instance created October 17, 2016 by Wolfgang Christian
Record Updated:: May 5, 2021 by Wolfgang Christian
Last Update when Cataloged:: October 17, 2016
Other Collections:: The Open Source Physics

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AAAS Benchmark Alignments (2008 Version)

4. The Physical Setting

4F. Motion

9-12: 4F/H1. The change in motion (direction or speed) of an object is proportional to the applied force and inversely proportional to the mass.

4G. Forces of Nature

6-8: 4G/M1. Every object exerts gravitational force on every other object. The force depends on how much mass the objects have and on how far apart they are. The force is hard to detect unless at least one of the objects has a lot of mass.

11. Common Themes

11B. Models

6-8: 11B/M2. Mathematical models can be displayed on a computer and then modified to see what happens.

AAAS Benchmark Alignments (1993 Version)

4. THE PHYSICAL SETTING

E. Energy Transformations

4E (9-12) #1. Whenever the amount of energy in one place or form diminishes, the amount in other places or forms increases by the same amount.

F. Motion

4F (6-8) #3. An unbalanced force acting on an object changes its speed or direction of motion, or both. If the force acts toward a single center, the object's path may curve into an orbit around the center.

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Record Link

<a href="https://www.compadre.org/portal/items/detail.cfm?ID=14160">Christian, Wolfgang. "Pendulum with Moving Support JS Model." Version 1.0.</a>

AIP Format

W. Christian, Computer Program PENDULUM WITH MOVING SUPPORT JS MODEL, Version 1.0 (2016), WWW Document, (https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14160&DocID=4525).

AJP/PRST-PER

W. Christian, Computer Program PENDULUM WITH MOVING SUPPORT JS MODEL, Version 1.0 (2016), <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14160&DocID=4525>.

APA Format

Christian, W. (2016). Pendulum with Moving Support JS Model (Version 1.0) [Computer software]. Retrieved April 26, 2024, from https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14160&DocID=4525

Chicago Format

Christian, Wolfgang. "Pendulum with Moving Support JS Model." Version 1.0. https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14160&DocID=4525 (accessed 26 April 2024).

MLA Format

Christian, Wolfgang. Pendulum with Moving Support JS Model. Vers. 1.0. Computer software. 2016. 26 Apr. 2024 <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14160&DocID=4525>.

BibTeX Export Format

@misc{ Author = "Wolfgang Christian", Title = {Pendulum with Moving Support JS Model}, Month = {October}, Year = {2016} }

Refer Export Format

%A Wolfgang Christian %T Pendulum with Moving Support JS Model %D October 17, 2016 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14160&DocID=4525 %O 1.0 %O text/html

EndNote Export Format

%0 Computer Program %A Christian, Wolfgang %D October 17, 2016 %T Pendulum with Moving Support JS Model %7 1.0 %8 October 17, 2016 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14160&DocID=4525

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Citation Source Information

The AIP Style presented is based on information from the AIP Style Manual.

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