As with all applets, downloading them during class is risky business. These are useful applets that could be download and saved to disk before class. Simulate a solar system, Keplar's 2nd Law and projectile motion. To view these Java applets directly and without frames, click here . There some excellent problem sets here for introductory physics.
Applets are easy to run and involve basic problem solving skills.
I haven't tested the connection to the German server during a weekday. Applets are probably the least complicated to show in class amoung this group. On-Line Physics Lessons. Worth bookmarking on the classroom computer. Home Page for Selman Hershfield .