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Empty trucks generally do not have the best braking ability due to a variety of factors related to weight distribution and traction. When a truck is loaded, the added weight provides more effective braking performance because the increased mass leads to better contact between the tires and the road surface, improving traction. This is especially crucial when coming to a stop or during emergency braking situations, where stability plays a significant role.

Empty trucks, on the other hand, can become more difficult to control under braking because they are lighter and can lose traction more easily, especially on slippery surfaces. The risk of skidding increases significantly with less weight on the axles. Additionally, an empty truck's center of gravity is higher in relation to its weight, leading to a less stable braking performance and a greater likelihood of tipping over.

Understanding these dynamics is essential for safe driving practices, as drivers must adjust their braking techniques depending on whether their truck is loaded or empty.