Driver’s Ed chapter 9 – Flashcards
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a vehicle going uphill works
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against gravity
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the center of gravity of a vehicle is that point
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around which all weight is evenly balanced
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when a vehicle's speed triples how much more distance does it need to stop
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about 9x the distance
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what are the most important parts of the control system
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4 tires
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one purpose of the tread pattern on a tire is to
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allow water to flow away from the tire
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if your tires wear out their center treats they are
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overinflated
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when you slow for a turn some traction is used to slow and some is
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used to turn
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factors that affect traction include
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vehicle condition, road condition, and driver action
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an important factor in maintaining traction is
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good shock absorbers
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during a collision a driver moves forward against a safety belt b/c of
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inertia
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the higher the speed of the vehicle the more
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distance you will need to stop
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the best place to adjust speed to steer thru a curve is
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before entering the curve
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a lighter vehicle
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can accelerate and stop faster than a large one
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total stopping distance is the distance
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your vehicle travels while you make a stop
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the distance your vehicle travels while you respond to a road hazard is called
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reaction distance
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braking distance
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increases as speed increase
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always searching ahead 12-15 secs will improve your
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perception time
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when a moving object hits something whats the most important factor in determine how hard it hits
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speed
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head restraints
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protect you against whiplash
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an example of a active restraint is
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a safety belt
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modern seat belts
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are 3-point lap and shoulder safety belts
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child restraint seats must be use
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in the back seat
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side air bags provide protection
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in collisions and rollovers
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all states require that young kids up to a certain age be protected by a
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child restraint seat
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what protects people from getting neck injuries in a rear end collision
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head restraints
