Final answer:
In New Jersey, seat belt usage is mandated for all drivers and front-seat passengers, and passengers under 18 years old must use seat belts or child safety seats. These laws aim to prevent injuries and reduce societal costs.
Step-by-step explanation:
In New Jersey, the law requires that all drivers and front-seat passengers wear seat belts while the vehicle is in operation. This law is in place as a measure to protect individuals and society from the costly consequences of injuries resulting from car accidents. Moreover, all passengers under the age of 18 must wear a seat belt or be secured in a child safety seat, regardless of where they are seated in the vehicle. The government enacts these laws to not only safeguard lives but also to alleviate the potential burden on social resources that may arise from caring for individuals with long-term injuries.