Thanks for the help, man. But I guess I failed to explain my question clearly. I am saying that if the velocity decreases so much that, at the top of the loop, the weight becomes greater than the 'required centripetal force', the person on the roller coaster is going to fall head-on vertically...
Homework Statement
At the top of the loop, we are in an upside down position, with our head being pointed towards the centre of the circle. As long as the ride is fast enough, it's impossible for us to fall out. But what happens if the ride slows down? if the rollercoaster slows down, the...