Mechanics of Materials. Click on the button to enroll yourself. You need to be logged in. Lessons: C01 - Engr 244 - Chapter 1 - MCrashC02 - Engr 244 - Chapter 2 - MCrashC03 - Engr 244 - Chapter 3 - MCrashC04 - Engr 244 - Chapter 4 - MCrash