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Q

31. What statement best explains 'crack the whip effect'?

Combination Vehiclesmedium
AWhen you make a quick lane change or sudden movement with your steering wheel the rear trailer tends to swing out. The force of the rear trailer becomes amplified causing it to roll over (rearward amplification).
BYour trailer is half full and the cargo is loaded in the front of the trailer. When you make a sudden steering wheel movement cargo will tend to forcefully slide to the back of the trailer, forcing the trailer to rollover.
CWhen you make a quick lane change or sudden movement with your steering wheel the tractor tends to rock and sway. The velocity of the rear most trailer forces the tractor to rollover before the trailer.

Detailed Explanation

The correct answer is "When you make a quick lane change or sudden movement with your steering wheel the rear trailer tends to swing out. The force of the rear trailer becomes amplified causing it to roll over (rearward amplification).". This is based on federal CDL regulations and safety standards.

Correct Answer: When you make a quick lane change or sudden movement with your steering wheel the rear trailer tends to swing out. The force of the rear trailer becomes amplified causing it to roll over (rearward amplification).

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