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Driver Ed: Chapter 13 - Natural Laws and Risk Management

AB
crowned roada road higher in the center than on either edge
safety beltreduces the effects of inertia
total stopping distanceperception distance, reaction distance and braking distance
centrifugal forcepushes a moving object out of a curve and into a straight line
inertiaa force that keeps objects moving in a straight line
kinetic energyenergy of motion
force of impactthe force with which a moving vehicle hits another objects
tractionfriction between a tire and the road
directional controlthe ability of a car to hold a straight line
What causes people and objects to continue to move in the forward motion after you hit the brakes?inertia
At what temperature would traction be the poorest when driving on snow and ice?32 degrees
How do you slow a car using engine braking?Take your foot off the accelerator.
Banked Curvehigher on the outside of the curve than the inside of the curve
What 3 circumstances might cause a skid to occur?1. You didn't have enough traction. 2. You tried to change speed too quickly. 3. You changed direction too quickly
What should you do if you start to skid?1. Ease off the gas pedal - DON'T BRAKE! 2. Steer the car in the direction you want to go.
What should you do if your wheels lock?Ease up on the brake pedal, and then squeeze down again, but not as firmly.
Having good tires that are properly inflated and have a good tread is important. How will good tires react to rain?The water will be forced into the grooves between the treads of the tires. The treads themselves will come in contact with less water and more road surface.
Braking SkidYou apply the brakes so hard that the brakes lock.
Power SkidYou step on the accelerator too hard and the car begins to skid.
Cornering SkidYou lose steering control in a turn, and the car begins to skid
Blowout Skidtire suddenly loses air pressure, and the car begins to skid.
List the four different types of skids.Braking, Power, Cornering and Blowout


Driver Education Instructor
Gilbert, Ames, Roland-Story, Ballard, Nevada and Colo-Nesco

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