What is the most effective way to stop quickly?

Answer: C — Apply both front and rear brakes smoothly and evenly

Applying both front and rear brakes smoothly and evenly is the most effective way to stop quickly on a motorcycle. This technique allows for maximum braking power while maintaining stability and control. The front brake is responsible for a significant portion of the motorcycle's stopping force, but relying solely on it can lead to tipping or losing traction, especially if the brakes are applied too aggressively. Incorporating the rear brake helps distribute the braking force more evenly across both tires, which enhances balance and reduces the risk of skidding or losing control. Smooth and even application of both brakes allows for a controlled stop, minimizing the risk of abrupt stops that can lead to accidents. Other methods, such as applying the front brake only, can create an imbalance and cause the motorcycle to pitch forward. Using the rear brakes to skid can be dangerous and may lead to losing control. Coasting to a stop by shifting into neutral eliminates engine braking and can result in loss of control, especially if instant stopping is necessary. Thus, using both brakes in a controlled manner is the safest and most effective approach.