What term is used to describe the angle that exists between the steering axis and the perpendicular line, when viewing the vehicle from the side? A. Caster B. Camber C. Scrub angle D. Toe

The correct answer is A. Caster.<br /><br />Caster is the angle between the steering axis and the perpendicular line (vertical line) when viewing the vehicle from the side. It is an important parameter in the alignment of a vehicle's suspension system and affects the stability and handling characteristics of the vehicle.