Energizer Model

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Energizer Model

written by Michael R. Gallis
edited by Wolfgang Christian

The EJS Energizer model explores the relationship between kinetic, potential, and total energy. Users create a potential energy curve and observe the resulting motion.

The Energizer 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 jar file will run the program if Java is installed.

Please note that this resource requires at least version 1.5 of Java (JRE).

.jar

download 2392kb .jar
Last Modified: June 6, 2014
previous versions

1 source code document is available

Subjects	Levels	Resource Types
Classical Mechanics - General - Work and Energy = Conservation of Energy General Physics - Computational Physics	- High School - Lower Undergraduate - Middle School	- Instructional Material = Model = Simulation

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

Access Rights:: Free access
License:: This material is released under a GNU General Public License Version 3 license.
Rights Holder:: Michael Gallis
Keywords:: energy bar graph, energy transformation, kinetic energy, potential energy
Record Creator:: Metadata instance created October 27, 2008 by Wolfgang Christian
Record Updated:: June 6, 2014 by Andreu Glasmann
Last Update when Cataloged:: October 27, 2008
Other Collections:: The Physics Front

The Open Source Physics

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AAAS Benchmark Alignments (2008 Version)

4. The Physical Setting

4E. Energy Transformations

6-8: 4E/M1. Whenever energy appears in one place, it must have disappeared from another. Whenever energy is lost from somewhere, it must have gone somewhere else. Sometimes when energy appears to be lost, it actually has been transferred to a system that is so large that the effect of the transferred energy is imperceptible.
6-8: 4E/M2. Energy can be transferred from one system to another (or from a system to its environment) in different ways: 1) thermally, when a warmer object is in contact with a cooler one; 2) mechanically, when two objects push or pull on each other over a distance; 3) electrically, when an electrical source such as a battery or generator is connected in a complete circuit to an electrical device; or 4) by electromagnetic waves.
9-12: 4E/H1. Although the various forms of energy appear very different, each can be measured in a way that makes it possible to keep track of how much of one form is converted into another. Whenever the amount of energy in one place diminishes, the amount in other places or forms increases by the same amount.
9-12: 4E/H9. Many forms of energy can be considered to be either kinetic energy, which is the energy of motion, or potential energy, which depends on the separation between mutually attracting or repelling objects.

4F. Motion

6-8: 4F/M3a. An unbalanced force acting on an object changes its speed or direction of motion, or both.
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.

9. The Mathematical World

9B. Symbolic Relationships

6-8: 9B/M3. Graphs can show a variety of possible relationships between two variables. As one variable increases uniformly, the other may do one of the following: increase or decrease steadily, increase or decrease faster and faster, get closer and closer to some limiting value, reach some intermediate maximum or minimum, alternately increase and decrease, increase or decrease in steps, or do something different from any of these.
9-12: 9B/H4. Tables, graphs, and symbols are alternative ways of representing data and relationships that can be translated from one to another.

11. Common Themes

11B. Models

6-8: 11B/M2. Mathematical models can be displayed on a computer and then modified to see what happens.
9-12: 11B/H1a. A mathematical model uses rules and relationships to describe and predict objects and events in the real world.
9-12: 11B/H3. The usefulness of a model can be tested by comparing its predictions to actual observations in the real world. But a close match does not necessarily mean that other models would not work equally well or better.

ComPADRE is beta testing Citation Styles!

Record Link

<a href="https://www.compadre.org/portal/items/detail.cfm?ID=8227">Gallis, Michael. "Energizer Model."</a>

AIP Format

M. Gallis, Computer Program ENERGIZER MODEL (2008), WWW Document, (https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8227&DocID=871).

AJP/PRST-PER

M. Gallis, Computer Program ENERGIZER MODEL (2008), <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8227&DocID=871>.

APA Format

Gallis, M. (2008). Energizer Model [Computer software]. Retrieved September 11, 2024, from https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8227&DocID=871

Chicago Format

Gallis, Michael. "Energizer Model." https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8227&DocID=871 (accessed 11 September 2024).

MLA Format

Gallis, Michael. Energizer Model. Computer software. 2008. Java (JRE) 1.5. 11 Sep. 2024 <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8227&DocID=871>.

BibTeX Export Format

@misc{ Author = "Michael Gallis", Title = {Energizer Model}, Month = {October}, Year = {2008} }

Refer Export Format

%A Michael Gallis %T Energizer Model %E Wolfgang Christian, (ed) %D October 27, 2008 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8227&DocID=871 %O application/java

EndNote Export Format

%0 Computer Program %A Gallis, Michael %D October 27, 2008 %T Energizer Model %E Christian, Wolfgang %8 October 27, 2008 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=8227&DocID=871

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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.

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Energizer Model:

Is a Teaching Guide For The Physics Classroom: The Work-Energy Relationship: Bar Chart Illustrations

This interactive applet from Open Source Physics (OSP) demonstrates the use of energy bar charts to describe an object's motion.

relation by Tom Henderson

Supplements Physlet Physics: Chapter 7: Energy

The Energizer Model simulates energy transfer and how it corresponds to a particle moving in one dimension; Physlet Physics chapter 7 covers the same material and more.

relation by Andreu Glasmann

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