Computer Program Detail Page
written by
Andrew Duffy
This simulation allows students to examine the motion of an object in free fall. Download below. The user can control the initial height (0-20m), set an initial velocity from -20 to 20 m/s, and change the rate of gravitational acceleration from zero to 20 m/s/s (Earth's gravitational constant is ~9.8 m/s/s). Students can also launch the ball upward from any point on the line of motion. The free fall is displayed as a motion diagram, while graphs are simultaneously displayed showing position vs. time, velocity vs. time, and acceleration vs. time.
See Annotations Below for an editor-recommended tutorial that further explains how graphs are used to represent free fall motion. This item was created with Easy Java Simulations (EJS), a modeling tool that allows users without formal programming experience to generate computer models and simulations. To run the simulation, simply click the Java Archive file below. Please note that this resource requires at least version 1.5 of Java (JRE).
View the source code document attached to this resource
Free Fall Model Source Code
The source code zip archive contains an XML representation of the Free Fall model. Unzip this archive in your EJS workspace to compile and run this model… more... download 5kb .zip Published: April 25, 2010 previous versions
AAAS Benchmark Alignments (2008 Version)4. The Physical Setting
4B. The Earth
4G. Forces of Nature
11. Common Themes
11B. Models
Next Generation Science StandardsCrosscutting Concepts (K-12)
Patterns (K-12)
NGSS Science and Engineering Practices (K-12)
Analyzing and Interpreting Data (K-12)
Developing and Using Models (K-12)
Using Mathematics and Computational Thinking (5-12)
NGSS Nature of Science Standards (K-12)
Analyzing and Interpreting Data (K-12)
Developing and Using Models (K-12)
Using Mathematics and Computational Thinking (5-12)
Common Core State Standards for Mathematics AlignmentsStandards for Mathematical Practice (K-12)
MP.4 Model with mathematics.
High School — Algebra (9-12)
Creating Equations^{?} (9-12)
Reasoning with Equations and Inequalities (9-12)
High School — Functions (9-12)
Linear, Quadratic, and Exponential Models^{?} (9-12)
The Physics Classroom: Representing Free Fall by Graphs
(Editor: Caroline Hall)
Date: 06/11/2010
The Physics Front editors recommend supplementing the Free Fall Model simulation with this interactive tutorial by Tom Henderson, developer of The Physics Classroom web site. It will help students gain insight into why the v/t and p/t graphs of free fall motion appear as they do. This resource is part of a Physics Front Topical Unit.
Topic: Kinematics: The Physics of Motion
Unit Title: Modeling Motion We like the simplicity of this model for introducing free fall and gravitational acceleration. Students can control the initial height, set initial velocity from -20 to 20 m/s and change the gravitational constant. The free fall is displayed as a motion diagram, while graphs are simultaneously displayed showing position, velocity, and acceleration vs. time. Link to Unit:
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Record Link
<a href="http://www.thephysicsfront.org/items/detail.cfm?ID=10001">Duffy, Andrew. "Free Fall Model."</a>
AIP Format
A. Duffy, Computer Program FREE FALL MODEL (2010), WWW Document, (http://www.compadre.org/Repository/document/ServeFile.cfm?ID=10001&DocID=1639).
AJP/PRST-PER
A. Duffy, Computer Program FREE FALL MODEL (2010), <http://www.compadre.org/Repository/document/ServeFile.cfm?ID=10001&DocID=1639>.
APA Format
Duffy, A. (2010). Free Fall Model [Computer software]. Retrieved September 21, 2014, from http://www.compadre.org/Repository/document/ServeFile.cfm?ID=10001&DocID=1639
Chicago Format
Duffy, Andrew. "Free Fall Model." http://www.compadre.org/Repository/document/ServeFile.cfm?ID=10001&DocID=1639 (accessed 21 September 2014).
MLA Format
Duffy, Andrew. Free Fall Model. Computer software. 2010. Java (JRE) 1.5. 21 Sep. 2014 <http://www.compadre.org/Repository/document/ServeFile.cfm?ID=10001&DocID=1639>.
BibTeX Export Format
@misc{
Author = "Andrew Duffy",
Title = {Free Fall Model},
Month = {April},
Year = {2010}
}
Refer Export Format
%A Andrew Duffy
EndNote Export Format
%0 Computer Program 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 is stored in 19 shared folders. You must login to access shared folders. Free Fall Model:
Is Based On
Easy Java Simulations Modeling and Authoring Tool
The Easy Java Simulations Modeling and Authoring Tool is needed to explore the computational model used in the Free Fall Model. relation by Mario Belloni
Is a Teaching Guide For
Physics Classroom: Introduction to Free Fall
Is a Teaching Guide For
Physics Classroom: The Acceleration of Gravity
Is a Teaching Guide For
Physics Classroom: Representing Free Fall by Graphs
Is a Teaching Guide For
Physics Classroom: How Fast? and How Far?
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