The Tethered Mass and Spring model shows a mass constrained to move in the x-direction by a horizontal rod and connected to a spring of natural length L = 10. One end of the spring is connected to a movable (draggable) ceiling and the other end is connected to the mass. Users can drag the mass along the rod and users can control the height of the ceiling H by dragging which changes the stretch of the spring. The height H, the spring constant k, and the natural length of the spring L can also be adjusted using the sliders at the bottom of the position vs. time graph.
The Tethered Mass and Spring model was created using the Easy Java Simulations (EJS) modeling tool. It is distributed as a ready-to-run (compiled) Java archive. Double click the ejs_mech_lagrangian_TetheredMassAndSpring.jar file to run the program if Java is installed.
Please note that this resource requires
at least version 1.5 of
Java.
Tethered Mass and Spring Model Source Code
The source code zip archive contains an XML representation of the Tethered Mass and Spring model. Unzip this archive in your EJS workspace to compile and run this model using EJS.
W. Christian, Computer Program TETHERED MASS AND SPRING MODEL, Version 1.0 (2009), WWW Document, (http://www.compadre.org/Repository/document/ServeFile.cfm?ID=9406&DocID=1307).
Christian, W. (2009). Tethered Mass and Spring Model (Version 1.0) [Computer software]. Retrieved November 21, 2009, from http://www.compadre.org/Repository/document/ServeFile.cfm?ID=9406&DocID=1307
Christian, Wolfgang. "Tethered Mass and Spring Model." Version 1.0. http://www.compadre.org/Repository/document/ServeFile.cfm?ID=9406&DocID=1307 (accessed 21 November 2009).
%A Wolfgang Christian %T Tethered Mass and Spring Model %D September 1, 2009 %U http://www.compadre.org/Repository/document/ServeFile.cfm?ID=9406&DocID=1307 %O 1.0 %O application/java
%0 Computer Program %A Christian, Wolfgang %D September 1, 2009 %T Tethered Mass and Spring Model %7 1.0 %8 September 1, 2009 %U http://www.compadre.org/Repository/document/ServeFile.cfm?ID=9406&DocID=1307
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