While perusing various websites in search of a more challenging lab for my students, I came across a number of ideas where replacing the string in an Atwood's machine with a simple ball chain like the kind found in lamp pulls created an interesting system to investigate. The replacement of the string produced a nice nonuniform acceleration, but…

Discusses a high school advanced placement physics course cooperating with neighboring college. Describes the background, titles of experiments, report format, and discussion. (YP)