We wish to acknowledge help, suggestions, and advice from several Union colleagues and especially from coteachers for the Union freshman engineering course: Dean Cherrice Traver, Professors Brad Bruno, James Hedrick, Thomas Jewell, John Spinelli, and Frank Wicks. Dr. John Rogers, Mechanical Engineering Division, West Point, and Dr. Andrew Wolfe, Civil Engineering Technology, State University of New York—Institute of Technology, Utica, NY were also of great assistance in developing this text