A car (or automobile) is a wheeled motor vehicle used for transportation.
A circle is a simple closed shape.
Erasmus Darwin (12 December 173118 April 1802) was an English physician.
Georg Lankensperger (also: Lankensberger), (31 March 1779 – 11 July 1847) was a German wheelwright who invented the steering mechanism that is today known as Ackermann steering geometry.
The kingpin, also king-pin and king pin, is the main pivot in the steering mechanism of a car or other vehicle.
A rack and pinion is a type of linear actuator that comprises a pair of gears which convert rotational motion into linear motion.
In classical geometry, a radius of a circle or sphere is any of the line segments from its center to its perimeter, and in more modern usage, it is also their length.
Rudolph Ackermann (20 April 1764 in Schneeberg, Electorate of Saxony – 30 March 1834 in Finchley, London) was an Anglo-German bookseller, inventor, lithographer, publisher and businessman.
In vehicle dynamics, slip angle or sideslip angle is the angle between a rolling wheel's actual direction of travel and the direction towards which it is pointing (i.e., the angle of the vector sum of wheel forward velocity v_x and lateral velocity v_y).
Steering is the collection of components, linkages, etc.
A tie rod is a slender structural unit used as a tie and (in most applications) capable of carrying tensile loads only.
In automotive engineering, toe, also known as tracking, is the symmetric angle that each wheel makes with the longitudinal axis of the vehicle, as a function of static geometry, and kinematic and compliant effects.
A vehicle (from vehiculum) is a machine that transports people or cargo.