10 IA ideas using toilet paper
Can I really think of 10 ideas based on a roll of toilet paper? probably not but I'll have a go. 1. Snatching a piece Have you ever noticed how, by pulling fast, you can snatch off a piece from a full roll but not an empty one? It's all to do with the force required to accelerate the roll. Try dropping a fixed mass a fixed distance on the free end. What is the relationship between the angular acceleration of the roll...