When the car is running, the pressure on the ground is less than the gravity of the car Is that right? For the pressure on the ground and the gravity of the car, don't they all go down? What's the comparability?

When the car is running, the pressure on the ground is less than the gravity of the car Is that right? For the pressure on the ground and the gravity of the car, don't they all go down? What's the comparability?

Usually a topic will test one or several knowledge points
If you look at it from an aerodynamic point of view, that's right
If you look from the simple mechanics of junior high school, this sentence is wrong