Calculus-Based Physics is a free on-line two-volume introductory physics textbook available in both pdf and editable word processor document form. Calculus-Based Physics is also available as a pair of black-and-white paperback books at the cost of production plus shipping. Ancillary materials provided at the Calculus-Based Physics web site include conceptual physics question slides, on-line quizzes with extensive feedback, and screen-capture physics problem solution movies.
The bulk of the Calculus-Based
Physics materials (including the book) are at the Calculus-Based Physics Web
Site:
http://www.anselm.edu/internet/physics/cbphysics/index.html
The Moodle courses for Calculus-Based Physics (currently in an early stage of development) are at: