What is a one car and what is a trailer? What is a full trailer and what is a semi-trailer? What's the difference?
A unpowered road vehicle for normal use; used for carrying persons and / or goods. Full trailer load by all its own, and the locomotive is only linked with the hook. The locomotive does not need to bear the load of the trailer, but only provides power to help the trailer overcome the friction resistance of the road surface
One car, simply speaking, is the cab and the car container as a whole! The total weight of the trailer by its own bear called full trailer, usually also referred to as: Trailer Trailer, itself without power, independent bearing, rely on traction vehicles and other vehicles, trailers is the design and technical characteristics required by car traction
In long distance transportation, it is common to hang a carriage (or more) behind the freight car, which is a full trailer. A semi-trailer is a trailer that is placed behind the center of gravity of the vehicle (when the vehicle is uniformly loaded) and fitted with a coupling device that can transfer horizontal or vertical forces to the tractor!