The tilt of the front car wheels from the vertical is called

Camber
Caster
Slip angle
Steering axis inclination

The correct answer is (a) Camber.

Camber is the tilt of the front car wheels from the vertical. It is measured as the angle between the tire’s contact patch and a vertical line. Positive camber is when the top of the tire is tilted away from the center of the car, and negative camber is when the top of the tire is tilted towards the center of the car.

Camber is used to improve the handling of a car. Positive camber helps to improve cornering grip, while negative camber helps to improve straight-line stability. The amount of camber that is used depends on the type of car and the driving conditions.

(b) Caster is the angle between the steering axis and the vertical. It is measured as the angle between the line through the steering pivots and the line through the center of the tire’s contact patch. Caster helps to keep the car’s steering wheel centered when the car is moving straight ahead.

(c) Slip angle is the angle between the direction of travel of the car and the direction of the front tires. Slip angle is caused by the difference between the speed of the front tires and the speed of the car. Slip angle can cause the car to lose control.

(d) Steering axis inclination is the angle between the steering axis and the vertical plane through the center of the car. It is measured as the angle between the line through the steering pivots and the line through the center of the car’s mass. Steering axis inclination helps to keep the car’s steering wheel centered when the car is turning.

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