True or False: A skid occurs when the wheel is locked?

A skid is a loss of traction between the tires of a vehicle and the road surface, often caused when the wheels are locked. This typically happens during hard braking, where the brakes prevent the wheels from turning, leading to a situation where the tires cannot grip the pavement effectively. When the wheels lock, the vehicle may slide uncontrollably, creating a skid. This concept is important for drivers and law enforcement personnel to understand because it affects vehicle control and safety during emergency situations or evasive maneuvers.