Extreme Curves Leigh-d How Do Train Cars Go Around Curves [trainTrivia]?

How do train cars go around curves [trainTrivia]? - extreme curves leigh-d

Consider this: the wheel of a box car securely attached to their axes, always turning the same system of the tree. When the train entered a curve outside wheel must turn faster than the inside wheel. Neither can the wheel along the rail or extreme wear and tear film is the result of an enormous weight. How is it done? I have this question on several occasions over many years and had only one correct answer. Railroad disqualified!