Dr. George Stephans
This course is offered throughout the fall, and continues through the Independent Activities Period (IAP), which is a special 4-week term at MIT that runs from the first week of January until the end of the month.
8.01L is an introductory mechanics course, which covers all the topics covered in 8.01T. The class meets throughout the fall, and continues throughout the Independent Activities Period (IAP).
OCW has published multiple versions of this subject.