Used - For second-year Introductory courses taught in departments of Mechanical, Civil, Aerospace, General, and Engineering Mechanics. More than just a book, this text is part of a system to teach engineering mechanics, a system comprised of three components: 1) this core principles book, 2) algorithmic problem material available online, and 3) a course management system to track and monitor student progress. By using this system, instructors and their students benefit from increased flexibilit