At the present time I cannot adequately demonstrate the usefulness of this program on the WWW. However take my word for it that its a great program. You can simulate many of the classic experiments that are taught in our physics laboratories with this program. The data will come out perfect and the students will understand the concepts. Interactive Physics by The Knowledge Revolution San Mateo, California (800) 766-6615

A five ball collision is about to occur. Is momentum conserved ?? Try this on the lab table !!!