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