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This java applet demonstrates various properties of vector fields. You can select from a number of vector fields and see how particles move if it is treated as either a velocity or a force field. This helps you visualize the field.

The menu in the upper right has a variety of different fields to choose from. You can also input your own by scrolling to the bottom of that menu and selecting "user-defined field" or "user-defined potential".

Full Directions.

The source.

See also the 2-D version.

More applets.

Zip archive of this applet.

Version 1.3c, posted 2/13/14



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