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[72] [73] [3] In most cars, fully applied brakes are easily capable of stopping the car while the accelerator pedal is also fully applied. [17] " Pumping the brakes " is strongly discouraged during an unintended acceleration event, as this can lead to a loss of braking power . [ 74 ]
[1] [2] If a vehicle accelerates under the force of gravity, the system will automatically apply brakes to slow down to the desired vehicle speed. Cruise control buttons can adjust the speed on some vehicles. [2] Applying pressure to the accelerator or brake pedal will override the HDC system.
Braking distance refers to the distance a vehicle will travel from the point when its brakes are fully applied to when it comes to a complete stop. It is primarily affected by the original speed of the vehicle and the coefficient of friction between the tires and the road surface, [Note 1] and negligibly by the tires' rolling resistance and vehicle's air drag.
The car's momentum acts at its centre of mass to tilt the car forward or backward, respectively during braking and acceleration. Since it is only the downward force that changes and not the location of the centre of mass, the effect on over/under steer is opposite to that of an actual change in the centre of mass.
Brake force, also known as brake power, is a measure of force applied by the brakes of a vehicle in order to decelerate it. It is one of the main components in determining a vehicle's stopping distance.
A burnout (also known as a peel out, power brake, or brakestand) is the practice of keeping a vehicle stationary and spinning its wheels, the resultant friction causing the tires to heat up and smoke. While the burnout gained widespread popularity in California, it was first created by Buddy Houston, his brother Melson and David Tatum II at Ted ...
The brake override system, also called "brake to idle" and already a common design in German cars, allows the driver to override the accelerator by hitting the brakes. In a follow-up statement, the NHTSA announced the November 25, 2009 recall details as a "vehicle-based remedy" to address the floor mat pedal issue. [64]
Skid marks are divided into "acceleration marks" created on acceleration, if the engine provides more power than the tire can transmit; "braking marks", if the brakes "lock up" and cause the tire to slide; or "yaw marks", if the tire slides sideways. Each skid mark has a characteristic appearance, and an experienced accident reconstructor or ...