What is the difference between stopping time and distance?
As you are driving along, some part of your mind is probably constantly estimating how much space you would need to brake if the car in front of you suddenly stopped. All too often, however, drivers don’t realize the difference between stopping time and stopping distance. Learn more on this Moment of Science.
Energy can neither be created out of nothing, nor disappear into nothing, all it does is change forms. Learn more on this Moment of Science.
As your car rapidly decelerates, you feel yourself pushed up against the wheel. Why? Learn more on this Moment of Science.
The same thing happens to the air in the car. When the car stops the air keeps moving forward. This results in more air, or higher air pressure, in the front of the passenger compartment.