Final answer:
The recommended extra safety equipment in a truck for adverse weather or rural conditions includes snow chains, emergency flares, and all-weather tires.
Step-by-step explanation:
The recommended "extra" safety equipment in a truck for adverse weather or rural conditions include:
- Snow chains: These are metal chains that are wrapped around the tires to provide better traction on icy or snowy roads.
- Emergency flares: These are used to alert other drivers in case of an emergency or breakdown, especially in low visibility conditions.
- All-weather tires: These tires are designed to maintain traction in various weather conditions, including rain, snow, and icy roads.
In certain situations, more friction is desirable. For example, when playing sports like soccer or basketball, having more friction between the shoes and the ground can help players change direction quickly or stop efficiently.