Virginia CDL General Knowledge Practice Test

Maintaining a proper speed when approaching curves is crucial for ensuring control and preventing skidding. When a vehicle enters a curve too quickly, the laws of physics come into play, specifically inertia, which tends to push the vehicle straight ahead rather than allowing it to follow the curve. This can lead to loss of control and potentially result in skidding off the road or colliding with obstacles.

Moreover, turning too fast compromises the tire's grip on the road surface. Each curve has a certain speed limit that maximizes safety; staying within this limit allows for the appropriate amount of centripetal force to keep the vehicle on its intended path. By adjusting speed based on the curve's sharpness and road conditions, drivers can maintain better control, enhancing overall safety for themselves and others on the road.

Other choices do not contribute positively to driving safety; intimidation does not aid in making safe decisions, testing vehicle capabilities could lead to dangerous situations, and showing off skills is both unnecessary and unsafe in a driving context.