Final answer:
Trailers weighing 5,000 pounds or more require brakes that automatically stop them if they break away from the towing vehicle to enhance safety.
Explanation:
Brakes that automatically stop a trailer if it breaks away from the towing vehicle are required on all trailers weighing 5,000 pounds or more. This safety feature helps prevent accidents by stopping trailers in case they detach from the towing vehicle.
Learn more about trailer safety regulations here:
https://brainly.com/question/1379289
