CDL General Knowledge Practice Test

A higher center of gravity can significantly affect a vehicle's handling characteristics, particularly in terms of stability. When a vehicle has a higher center of gravity, it becomes more prone to tipping or rolling over during maneuvers such as turning or swerving. This is because a higher center of gravity raises the point at which the weight of the vehicle acts, making it easier for the vehicle to shift its balance and potentially lead to instability. Careful loading is essential for improving stability because how weight is distributed in the vehicle can lower the effective center of gravity. By ensuring that the load is balanced and kept as low as possible, drivers can enhance stability and reduce the risk of rollover accidents. This is particularly important in large commercial vehicles, which often have higher centers of gravity due to design and load characteristics. While other options imply some positive effects or a lack of impact on handling, they do not address the safety and stability concerns associated with a higher center of gravity. Therefore, focusing on careful loading practices is key to optimizing vehicle handling and ensuring safety on the road.