Question:
Which statement best illustrates the "crack-the-whip" effect?
A
When you make a quick lane change or sudden movement of your steering wheel, the rear trailer tends to swing out. The force of the rear trailer becomes amplified, causing it to roll over.
explanation
Trucks with trailers have a dangerous “crack-thewhip” effect. When you make a quick lane change, the crack-the-whip effect can turn the trailer over. There are many accidents where only the trailer has overturned. “Rearward amplification” causes the crack-the-whip effect [Commercial Driver Handbook]
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