Preparation: Force/Electromagnetic/Explain It/Electric Force.

The applet on Page 2 simulates the motion of a charged particle in a uniform electric field. The applet can also simulate simultaneous motions of two or twelve charged particles.

For details on how to use the applet, please go to Applet Help on the applet's Help menu. There is also a lesson available under Applet Help with exercises to be carried out with the applet.