What is the name of the distance the vehicle travels from the moment the obstacle is seen until the vehicle comes to a stop?
Human factor: Reaction, braking, and stopping
Explanation
The **stopping distance** is the total space a vehicle travels from the moment the driver detects an obstacle until the vehicle comes to a complete stop. This distance is the sum of two components: the **reaction distance** and the **braking distance**.
- **Reaction distance:** This is the space the vehicle travels from the moment the driver perceives an obstacle until they begin to brake. This reaction time is usually about 0.75 seconds, although it can vary depending on the driver's reflexes and condition.
- **Braking distance:** This is the space the vehicle travels from the moment the driver starts braking until the vehicle comes to a complete stop.
Therefore, the **stopping distance** encompasses the entire process from the perception of the obstacle to the total stopping of the vehicle, making it the correct answer.
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