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written by Juan Aguirregabiria
edited by Wolfgang Christian
The Ejs Two Falling Rods model displays the dynamics of two rods which are dropped on a smooth table. In one case the end point on the table slides without friction, while in the other case it rotates about a pivot point.  The simulation allows computing fall times and trajectories.  The initial angle that the rods are released can be changed via a slider.  You can modify this simulation if you have Ejs installed by right-clicking within the plot and selecting "Open Ejs Model" from the pop-up menu item.  

Ejs Two Falling Rods model was created using the Easy Java Simulations (Ejs) modeling tool.  It is distributed as a ready-to-run (compiled) Java archive.  Double clicking the ejs_ehu_rigid_bodies_tworods.jar file will run the program if Java is installed.  Ejs is a part of the Open Source Physics Project and is designed to make it easier to access, modify, and generate computer models.  Additional Ejs models for classical mechanics are available.  They can be found by searching ComPADRE for Open Source Physics, OSP, or Ejs.

Please note that this resource requires at least version 1.5 of Java (JRE).
View the source code document attached to this resource
Subjects Levels Resource Types
Classical Mechanics
- Motion in Two Dimensions
= Center of Mass
- Rotational Dynamics
= Moment of Inertia
- Lower Undergraduate
- Upper Undergraduate
- Instructional Material
= Activity
= Curriculum support
= Interactive Simulation
Intended Users Formats Ratings
- Educators
- Learners
- application/java
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Access Rights:
Free access
Restriction:
© 2008 Juan M. Aguirregabiria
Additional information is available.
Keywords:
Easy Java Simulations, Ejs, OSP, Open Source Physics, falling, falling rods, gravity, rotation, translation
Record Creator:
Metadata instance created August 19, 2008 by Mario Belloni
Record Updated:
June 5, 2014 by Andreu Glasmann
Last Update
when Cataloged:
August 18, 2008
Other Collections:

ComPADRE is beta testing Citation Styles!

Record Link
AIP Format
J. Aguirregabiria, Computer Program EJS TWO FALLING RODS MODEL, Version 1.0 (2008), WWW Document, (http://www.compadre.org/Repository/document/ServeFile.cfm?ID=7898&DocID=674).
AJP/PRST-PER
J. Aguirregabiria, Computer Program EJS TWO FALLING RODS MODEL, Version 1.0 (2008), <http://www.compadre.org/Repository/document/ServeFile.cfm?ID=7898&DocID=674>.
APA Format
Aguirregabiria, J. (2008). Ejs Two Falling Rods Model (Version 1.0) [Computer software]. Retrieved October 25, 2014, from http://www.compadre.org/Repository/document/ServeFile.cfm?ID=7898&DocID=674
Chicago Format
Aguirregabiria, Juan. "Ejs Two Falling Rods Model." Version 1.0. http://www.compadre.org/Repository/document/ServeFile.cfm?ID=7898&DocID=674 (accessed 25 October 2014).
MLA Format
Aguirregabiria, Juan. Ejs Two Falling Rods Model. Vers. 1.0. Computer software. 2008. Java (JRE) 1.5. 25 Oct. 2014 <http://www.compadre.org/Repository/document/ServeFile.cfm?ID=7898&DocID=674>.
BibTeX Export Format
@misc{ Author = "Juan Aguirregabiria", Title = {Ejs Two Falling Rods Model}, Month = {August}, Year = {2008} }
Refer Export Format

%A Juan Aguirregabiria
%T Ejs Two Falling Rods Model
%E Wolfgang Christian, (ed)
%D August 18, 2008
%U http://www.compadre.org/Repository/document/ServeFile.cfm?ID=7898&DocID=674
%O 1.0
%O application/java

EndNote Export Format

%0 Computer Program
%A Aguirregabiria, Juan
%D August 18, 2008
%T Ejs Two Falling Rods Model
%E Christian, Wolfgang
%7 1.0
%8 August 18, 2008
%U http://www.compadre.org/Repository/document/ServeFile.cfm?ID=7898&DocID=674


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Citation Source Information

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

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