Computer Program Detail Page
Two Dimensional Air Drop Model
written by Francisco Esquembre
supported by the National Science Foundation
This interactive simulation shows an airplane flying at constant horizontal velocity preparing to drop relief supplies to a small island. Download Simulation Below As captain of the plane, you must determine when to release the package and activate the release button. The trajectory of the falling package is traced onscreen. If you were too far off, the package will drop in the ocean. The motion can be viewed from the perspective of a person standing on the island or an airplane flying nearby. Extend the learning by activating air friction to see how this variable affects the motion of the projectile.
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.
Please note that this resource requires at least version 1.5 of Java (JRE).
Editor's Note: Students may insist that there is a horizontal force acting upon the package since it has a horizontal motion. See Annotation for an editor-recommended tutorial that will explain what is happening (the horizontal motion of the package results from its inertia).
1 source code document is available
AAAS Benchmark Alignments (2008 Version)
4. The Physical Setting
4B. The Earth
11. Common Themes
AAAS Benchmark Alignments (1993 Version)
11. COMMON THEMES
The Physics Classroom Multimedia Studio: The Plane and the Package (Editor: Caroline Hall)
This is a link to an editor-recommended tutorial covering the same topic as the Easy Java Simulation Air Drop model. It will help students understand why there is no horizontal force acting on the dropped package. It experiences horizontal motion as a result of its own inertia.
This resource is part of 2 Physics Front Topical Units.
Topic: Kinematics: The Physics of Motion
Unit Title: Motion in More Than One Dimension
This simulation features an airplane flying at constant horizontal velocity, preparing to drop relief supplies to a small island. As captain of the plain, you must calculate the release point for dropping the package and press the red release button at the right moment. The trajectory of the falling package is traced onscreen. If your calculations were off, it will dump in the ocean. Question for students to ponder: what does inertia have to do with it?Link to Unit:
Topic: Dynamics: Forces and Motion
Unit Title: Newton's First Law & Inertia
This simulation shows an airplane flying at constant horizontal velocity preparing to drop relief supplies to a small island. As captain of the plane, the student must calculate the release point for dropping the package. Students may insist that there is a horizontal force acting upon the package since it has a horizontal motion. Actually, the horizontal motion of the dropped package results from its inertia.Link to Unit:
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Two Dimensional Air Drop 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 Two Dimensional Air Drop.relation by Wolfgang Christian
Is a Teaching Guide For Physics Classroom: Characteristics of a Projectile's Trajectory
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Is Based On