A ball on a string rolls on the lecture table. In one case the cord wraps itself around a vertical rod. In the other, the cord is pulled through a hole in the table.
Wesleyan University Dept. of Physics
Wesleyan University Dept. of Physics
A ball on a string rolls on the lecture table. In one case the cord wraps itself around a vertical rod. In the other, the cord is pulled through a hole in the table.