Drivers Ed 12
How much space should they be keeping in optimal conditions
3 to 4 seconds
How much space should they be keeping in adverse conditions
5 to 6 seconds
Inertia
Causes objects to continue moving in a straight line
Total stopping distance
Distance it takes you to stop any vehicle
Vehicle braking distance is the distance your vehicle travels after you see a problem and before you apply the brakes
False
You should identify objects or conditions in your path of travel that could increase the level of risk 30 to 40 seconds ahead
False
Friction
Force between two surfaces that resists the movement of one surface across the other
Traction
Friction between your tires and the road
Momentum
The product of weight and speed
Between 20 and 30 seconds ahead equals about 1/2 mile at 50mph
True
If you double your speed you will need 4 times the stopping distance
True
The amount of distance you need to stop the car increases with speed
True
The condition of the road surface affects total stopping distance
True
Total stopping distance is the distance it takes from the moment you see a problem until your vehicle is stopped
True
Are the drivers keeping enough space between their vehicles to allow for the total stopping distance
Yes
Kinetic energy
energy of motion
center of gravity
the point about which weight is evenly distributed
