Imagine two
cars driving down the road in the winter of
Alaska. As the cars approach a stop sign, both
drivers apply the brakes, attempting to stop
before the sign. One car is equipped with
traditional brakes, and upon applying the
brakes, the hubs lock and keep the tires from
revolving, and the driver looses control of the
vehicle as it spins out of control.
The second car has anti-lock brakes. When the driver applies the brakes, the hubs make bit of racket and the driver feels the brake pedal pulsing. This driver remains in control of the vehicle the whole time and was able to stop before the sign. How does this work? |
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