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What Methods Can Increase the Friction Between Tires and the Ground?

1 Answers

DiSpencer

07/29/25 11:02pm

To increase friction for a car, you can either increase the roughness of the contact surface or increase the pressure. For example, the uneven tread patterns on car tires are designed to increase the roughness of the contact surface, thereby enhancing the friction between the tires and the ground. Adding tread patterns to tires: Creating patterns on the tire surface increases the roughness of the contact surface, thus increasing friction. Replacing old tires: Over time, tires wear out, and once they wear to a certain extent, the tread patterns disappear, leading to skidding during braking. In such cases, the friction of the tires will be very low, and new tires should be installed to restore friction. Tire pressure: Tire pressure also affects the friction of the tires. When car tires are fully inflated, the contact surface is relatively smaller compared to when they are underinflated. The smaller the contact surface between the tire and the ground, the lower the friction, and vice versa. It is essential to maintain the correct tire pressure. Increasing the tire contact surface: Expanding the contact surface between the tires and the ground, such as by increasing the width of the tires, can enhance friction.

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