What is the traction force of a car?

1 Answers
McCody
07/29/25 5:31am
The traction force of a car is the torque generated by the car's internal combustion engine, which is transmitted to the drive wheels through the transmission mechanism, causing the drive wheels to produce a circumferential force on the road surface. Here is some introduction about traction force: 1. When there is sufficient adhesion between the drive wheels and the road surface, meaning the drive wheels do not slip on the road, a reaction force equal in magnitude but opposite in direction to this circumferential force is generated by the road surface on the drive wheels, propelling the car forward on the road. 2. In mechanical engineering, traction force refers to the rotational torque exerted by the transmission system of wheeled vehicles, including cars, railway locomotives, bicycles, etc., on the wheels, generated through the interaction between the drive wheels and the ground or rails.
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