Imagine a double cone – a shape that looks like two ice cream cones joined at their tips. Now, we're going to give it a special track to roll on, but this track is a bit different. It's like two ramps that slope downwards and meet in the middle.
Gravity's Pull: You know how things like to go downhill because of gravity, right? Well, our double cone feels the same way. It wants to roll downwards, and because the rails converge towards the lower ends, it's at its highest points near the ends of the track and lowest in the middle.
The Middle Attraction: Here's where the magic happens. The double cone always tries to stay at the middle of the track. Why Because it's like a magnet for the cone. When it's in the middle, the slopes on either side guide it towards the lowest point. It's like gravity saying, "Come to the middle, that's where the fun is!"
So, in a nutshell, the double cone has this natural instinct to stay in the middle, thanks to gravity and the clever design of the converging rails. It's like a dance of forces, making the cone gracefully navigate its way, always finding its sweet spot in the middle!