It pretty much has to unwind on the string. Does not have to look like a traditional yoyo. The dimensions are max of 20 cm each way. The rules are that no friction can be applied. The solution has to deal solely with torque and angular momentum
Hey everyone! I am trying to lead a science project for my science club and I found this great one online. Basically, students must make a yo-yo that takes the longest amount of time to descend 2.0 meters. Any pulleys, gears, mechanical friction, or air resistance may not play a part in the...