The Vector Field and Flow Lines simulation displays a grid of arrows that show the direction of the field at each grid point. The arrow color and intensity change from light blue to red as as the field strength increases. Users can:
Change the F(x,y) and G(x,y) vector field component functions.
Use the slider to change the number of gid points.
Display the orthogonal flow by selecting the O-mode check box.
Resize and drag the simulation window.
Click within the vector field to select one or more starting locations and Run the simulation to observe the flow.
The Vector Field and Flow Lines simulation was developed by Wolfgang Christian (Davidson College) using the Open Source Physics code library. It was converted from Java to JavaScript by Wolfgang Christian and Robert Hanson (St. Olaf College) using the SwingJS system developed at St. Olaf College.
Please note that this resource requires
at least version 1.5 of Java.
3-5: 4G/E3. Without touching them, an object that has been electrically charged pulls on all other uncharged objects and may either push or pull other charged objects.
AAAS Benchmark Alignments (1993 Version)
4. THE PHYSICAL SETTING
G. Forces of Nature
4G (9-12) #3. There are two kinds of charges?positive and negative. Like charges repel one another, opposite charges attract. In materials, there are almost exactly equal proportions of positive and negative charges, making the materials as a whole electrically neutral. Negative charges, being associated with electrons, are far more mobile in materials than positive charges are. A very small excess or deficit of negative charges in a material produces noticeable electric forces.
W. Christian, Computer Program VECTOR FIELDS AND FLOW LINES JS MODEL, Version 1.0 (2020), WWW Document, (https://www.compadre.org/Repository/document/ServeFile.cfm?ID=15347&DocID=5262).
W. Christian, Computer Program VECTOR FIELDS AND FLOW LINES JS MODEL, Version 1.0 (2020), <https://www.compadre.org/Repository/document/ServeFile.cfm?ID=15347&DocID=5262>.
Christian, W. (2020). Vector Fields and Flow Lines JS Model (Version 1.0) [Computer software]. Retrieved December 8, 2024, from https://www.compadre.org/Repository/document/ServeFile.cfm?ID=15347&DocID=5262
%A Wolfgang Christian %T Vector Fields and Flow Lines JS Model %D February 10, 2020 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=15347&DocID=5262 %O 1.0 %O text/html
%0 Computer Program %A Christian, Wolfgang %D February 10, 2020 %T Vector Fields and Flow Lines JS Model %7 1.0 %8 February 10, 2020 %U https://www.compadre.org/Repository/document/ServeFile.cfm?ID=15347&DocID=5262
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