Answer :
Final answer:
After stopping your vehicle, it is best to engage the emergency brake to prevent it from rolling. This action is considered the safest and most effective method in maintaining vehicle control. Other options could lead to potential hazards and instability.
Explanation:
Understanding Vehicle Stopping Procedures
When you stop your vehicle, especially in scenarios such as driving down a hill, it is critical to apply the appropriate braking techniques to maintain safety and control. After stopping your vehicle, the most advisable action is option B: engage the emergency brake. This action helps secure the vehicle in place and prevents it from rolling back, especially if it's on an incline.
The other options can lead to potential hazards: A immediately releasing the brake pedal could cause the vehicle to roll; C maintaining brake pressure is important while stopped, but without an emergency brake, the vehicle could still move; and D shifting to reverse while holding the brakes is unnecessary and risky.
Importance of Engaging the Emergency Brake
Engaging the emergency brake is especially important in vehicles with antilock braking systems (ABS) which prevent skidding. In this case, the car’s mass does not affect the maximum possible deceleration because the force of friction, not mass, dictates the car's ability to stop safely, as detailed in driving principles.
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