Road Loads


Road loads are the external forces acting on a vehicle during operation. They arise from gravity, the interaction between tires and the road surface, and from air flowing past the moving vehicle. Understanding them is essential for the vehicle designer, as they affect almost all aspects of the design, from vehicle dynamics and handling to power-speed models and structural analyses.

Review of Equilibrium Equations
SAE Vehicle Coordinate System for Vehicle Dynamics
Static Loads on Level Ground
Static Loads on a Grade
Steady Motion Road Loads
Basic Loads in a Steady Turn
Acceleration and Braking
Power-Limited Acceleration
Traction-Limited Acceleration
Inertia Coefficient
Load Transfer during Acceleration and Braking
Braking Performance
Topics: Stress, Roads

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