Presents a complete, accurate & rigorous study of physics while bringing it forward into the '90s & beyond. The Fourth Edition of volumes 1 & 2 is concerned with mechanics & E&M/Optics. New features include: expanded coverage of classic physics topics, substantial increases in the number of in-text examples which reinforce text exposition, the latest pedagogical & technical advances in the field, numerical analysis, computer-generated graphics, computer projects & much more.