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Using what you know about friction and other forces, explain the effect of weather conditions on the car's braking distance.

Question

Using what you know about friction and other forces, explain the effect of weather conditions on the car's braking distance.

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Solution

  1. Friction: The friction between the car's tires and the road surface is a crucial factor in braking distance. The higher the friction, the shorter the braking distance. Dry roads generally provide more friction than wet or icy roads, allowing for better tire grip and shorter stopping distances.

  2. Weather Conditions: In wet or icy conditions, the friction between the tires and the road decreases. This means the tires can't grip the road as well, which increases the braking distance. For example, rain can cause a layer of water to build up between the tire and road surface, leading to hydroplaning. Snow or ice can create a slippery surface, reducing tire traction even further.

  3. Temperature: Extreme temperatures can also affect braking distance. Cold weather can make roads icy, and it can also make tires harder and less flexible, reducing their grip. Hot weather can make tires softer and more flexible, which can increase grip, but it can also make the road surface softer, which can reduce grip.

  4. Wind: Strong winds can also affect a car's braking distance, especially for high-profile vehicles like trucks or SUVs. A strong headwind can help slow a vehicle down, potentially reducing braking distance, while a strong tailwind can do the opposite.

  5. Visibility: Poor weather conditions can reduce visibility, making it harder for the driver to see and react to obstacles in the road. This doesn't directly affect the physical

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