Holdfast Training Services Trial Blog

Hambly’s Paradox…

A man weighing 600N sits on a three-legged stool. The stool is symmetrical, the man sits in the centre of the seat. What basic force should each leg be designed for?

The same man now sits on a square stool with four legs, one at each corner, the stool and the loading are symmetrical. What force should each leg of the stool be designed for?

Click to access 55.pdf