Operation & Safety第 52 / 60 题
Compared to a car, how does the stopping distance of a heavy vehicle with air brakes change as weight and speed increase?
a.It stays the same regardless of weight
b.It increases significantly, requiring much greater distance to stop
c.It becomes shorter because of the heavier weight
d.It is unaffected by speed
解析
Heavier vehicles and higher speeds both greatly increase the distance needed to stop. A loaded truck traveling at highway speed needs far more room than a car. Drivers must increase following distance and plan stops well ahead.
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