Final answer:
In the context of the safety belt law, individuals and law enforcement agencies are responsible for ensuring that all passengers obey the law.
Step-by-step explanation:
In the context of obeying the safety belt law, the responsibility for ensuring that all passengers obey the law lies mainly with the individuals themselves and the law enforcement agencies.
The government enacts laws requiring the use of seat belts to protect the common welfare and reduce the number of accidents where drivers may become impaired, needing medical and physical care for the rest of their lives.
However, it is ultimately the responsibility of individuals to follow the law and wear their seat belts, as failing to do so can put their own lives and the lives of others at risk.
The individual responsible for ensuring that all passengers obey the safety belt law is the driver of the vehicle. In the context of a plane, this responsibility would fall on the flight crew, with the captain having the ultimate responsibility.
However, for road vehicles, the driver must ensure that passengers are wearing seat belts, as mandated by government regulations. These laws are designed to protect individuals and society by reducing the number of accidents and injuries, thereby decreasing the societal burden of medical and physical care costs.