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Is the vehicle resistance greater or smaller on a downhill slope?

1 Answers

ElisaLynn

07/30/25 3:59am

On a downhill slope, the vehicle resistance is smaller compared to a flat road. Due to the effect of gravity, the driving resistance is reduced, making it easier for the vehicle to speed up. As a result, the vehicle becomes harder to control than on flat ground, so overtaking should be avoided on downhill slopes. Here is an extended explanation: 1. Vehicle driving resistance: This refers to the resistance encountered by the vehicle during movement, including air resistance, rolling resistance, gradient resistance, and acceleration resistance. Among these, rolling resistance and air resistance exist under all driving conditions, while gradient resistance and acceleration resistance only occur under certain driving conditions. 2. Increase in vehicle driving resistance: This is when the vehicle feels underpowered during movement, the speed does not match the gear, and fuel consumption increases. On straight and flat roads, the coasting performance deteriorates when the vehicle is in neutral gear.

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