APS Excellence in Physics Education Award
November 2019

Science SPORE Prize
November 2011

The Open Source Physics Project is supported by NSF DUE-0442581.

## Computer Program Detail Page

Ball on a Moving Ring JS Model
written by Wolfgang Christian
The Ball on a Moving Ring mobile JavaScript Model illustrates the forces and dynamics of a ball rolling to a circular track. 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 force of the track (blue), the gravitational force (black), and the force of friction (green) can also be displayed. 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 Ball on a Moving Ring 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 can be used to create stand-alone JavaScript programs that run in almost any browser.
Subjects Levels Resource Types
Classical Mechanics
- Motion in Two Dimensions
= 2D Acceleration
- Newton's Second Law
= Force, Acceleration
- Relative Motion
= Moving Reference Frames
- Rotational Dynamics
Education Practices
- Technology
= Computers
Oscillations & Waves
- Oscillations
= Damped Oscillators
- High School
- Informal Education
- 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?

Access Rights:
Free access
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 19, 2016 by Wolfgang Christian
Record Updated:
May 5, 2021 by Wolfgang Christian
Last Update
when Cataloged:
October 20, 2016

### 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.
ComPADRE is beta testing Citation Styles!

AIP Format
W. Christian, Computer Program BALL ON A MOVING RING JS MODEL, Version 1.0 (2016), WWW Document, (https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14161&DocID=4526).
AJP/PRST-PER
W. Christian, Computer Program BALL ON A MOVING RING JS MODEL, Version 1.0 (2016), <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14161&DocID=4526>.
APA Format
Christian, W. (2016). Ball on a Moving Ring JS Model (Version 1.0) [Computer software]. Retrieved November 28, 2023, from https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14161&DocID=4526
Chicago Format
Christian, Wolfgang. "Ball on a Moving Ring JS Model." Version 1.0. https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14161&DocID=4526 (accessed 28 November 2023).
MLA Format
Christian, Wolfgang. Ball on a Moving Ring JS Model. Vers. 1.0. Computer software. 2016. 28 Nov. 2023 <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14161&DocID=4526>.
BibTeX Export Format
@misc{ Author = "Wolfgang Christian", Title = {Ball on a Moving Ring JS Model}, Month = {October}, Year = {2016} }
Refer Export Format

%A Wolfgang Christian %T Ball on a Moving Ring JS Model %D October 20, 2016 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14161&DocID=4526 %O 1.0 %O text/html

EndNote Export Format

%0 Computer Program %A Christian, Wolfgang %D October 20, 2016 %T Ball on a Moving Ring JS Model %7 1.0 %8 October 20, 2016 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=14161&DocID=4526

Disclaimer: ComPADRE offers citation styles as a guide only. We cannot offer interpretations about citations as this is an automated procedure. Please refer to the style manuals in the Citation Source Information area for clarifications.

Citation Source Information

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

The APA Style presented is based on information from APA Style.org: Electronic References.

The Chicago Style presented is based on information from Examples of Chicago-Style Documentation.

The MLA Style presented is based on information from the MLA FAQ.

This resource and its subdocuments is stored in 1 shared folders.

You must login to access shared folders.

### Ball on a Moving Ring JS Model:

Is Based On Easy Java Simulations Modeling and Authoring Tool

Use the Easy Java Simulations Modeling and Authoring Tool to edit and to explore the source code for the Ball on a Moving Ring.

relation by Wolfgang Christian

Know of another related resource? Login to relate this resource to it.
Save to my folders