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The kinetic energy of the vehicle when it is travelling faster is four times as great. It the brakes apply the same retardation and the friction from the tires on the road surface is unchanged then the stopping time will be four times as long.
try stopping a car without brakes!
Brakes.
This depends on a lot of things, what are the road conditions what type of car what model car, new brakes old brakes. Tires also make a huge difference the stopping at 30mph in a Porsche gt2 will be different from a Toyota Camry.
Brakes absorb the kinetic energy in the form of heat and sometimes sound. When hot enough brakes can emit light.
The front brakes on any vehicle do most of the stopping. When you apply the brakes the weight shifts to the front of the vehicle. For this reason the front brakes are needed more than the rear. Try stopping a vehicle with just the hand brake which applies only the rear brakes.
Stopping a vehicle with good brakes from 20 miles per hour under good conditions requires about 80 feet. Leaving at least 80 feet will allow you to stop safely without hitting the car in front of you.
Stopping a vehicle with good brakes from 20 miles per hour under good conditions requires about 80 feet. Leaving at least 80 feet will allow you to stop safely without hitting the car in front of you.
stopping distance is the distance it takes for a vehicle to come to a full stop from the moment you apply the brakes
No, the purpose of anti-lock brakes is to prevent your vehicle from skidding in adverse conditions and during an emergency maneuver. The system will pump the brakes for you.
most all newer vehicles have disc brakes, they are engineered for size and weight of the vehicle, they produce more stopping power than drum brakes
It depends on the road conditions, as well the state of your brakes.
Depends on the vehicle and braking system. In a commercial vehicle, the brakes are designed specifically for stopping a loaded vehicle, and an unloaded truck can actually require more stopping distance than a loaded truck.
TRUE
every vehicle must have brake lights to indicate that the vehicle is stopping. with no brake lights the vehicle can cause a rear end collision.
Front brakes have significantly more stopping power than rear brakes.
A small single axle trailer does not need brakes but be aware that your vehicle will have to stop the vehicle plus the trailer, so allow more stopping distance. A double axle trailer needs trailer brakes if you are carrying a heavy load of any kind at all.