Recent content by Como Bluff

I got it now, thanks! (I had also made the classic mistake of using the given diameter as the radius, which was needed to calculate the mass of the wheel from the moment of inertia..)

Thanks for quick reply haruspex! I don't quite get it yet. Could you elaborate your answer a little more?

How do I calculate the acceleration of the falling weight? It is hanging from a string which goes through a wheel, and is attached to a sphere with thin walls. The string doesn't stretch and the wheel and the sphere spin without friction. The fact that the weight is connected to multiple...