3fde62fa_n_of_Inquiry__Labs_in_Volume_2__Counting_Clips
Suppose you hang a weight from the center of a piece of string. How does the tension in the string depend on the horizontal distance between the ends of the string? A good exercise is statics. [Counting Clips] 
Hanging Isosceles Triangles
A Den of Inquiry: Labs in Volume 2
Counting Clips