Final answer:
The 'sweep' or 'tail gunner' is the vehicle that rides behind a motorcycle club in formation to ensure safety and assist riders. Comparable to old family carriages supporting an army, the sweep carries tools and supplies, and women also make up a significant part of the motorcycle community.
Step-by-step explanation:
The vehicle that commonly rides behind a motorcycle club when they are riding in formation is known as the 'sweep' or 'tail gunner.' This role is typically designated for an experienced rider who is responsible for ensuring the safety of the group, maintaining the formation, and aiding any riders who may have trouble during the ride. The sweep would assist with mechanical problems, accidents, or keeping the club together if it gets separated at traffic lights or in heavy traffic.
In the context of a motorcycle club, the sweep acts like the old family carriages and carts that would follow an army as noted in resources like LibreTexts™, where they provided support and carried essential goods. Similarly, the sweep carries tools, first aid kits, and other supplies needed to support the riders throughout their journey.
Women also play an important role in motorcycle clubs and contribute to this dynamic community. The stereotype that associates motorcycles primarily with men is challenged by the fact that a substantial number of women are active and skilled riders, contributing to the diversity and richness of the biker community.