What factors contribute to braking distance?

Braking distance is influenced by several critical factors, and all the options listed are important contributors. The type and condition of tires play a significant role, as well-treaded tires provide better traction and grip on the road, enhancing a vehicle’s ability to stop. Worn-out or inappropriate tires can significantly increase stopping distance.

Driver reaction time is another crucial factor. This is the time it takes for a driver to perceive a need to stop and react by pressing the brake pedal. If a driver has a slower reaction time due to distractions or fatigue, the distance traveled before the brakes are applied will be longer.

The speed of the vehicle is perhaps the most significant factor, as braking distance increases exponentially with speed. A vehicle traveling at a higher speed requires a much longer distance to come to a complete stop, due to both the greater momentum and the increased time required to slow down effectively.

In conclusion, all these factors—tires, driver reaction time, and speed—interact to determine the overall braking distance, leading to the correct answer being all of the above.