Practice question

Why is the rear of a combination vulnerable in rearward amplification?

  1. The rear has no tires
  2. The last trailer is always empty
  3. The fifth wheel is behind the last trailer
  4. Steering effects grow toward the rear, so the trailer can overturn even if the tractor does not

Answer: D — Steering effects grow toward the rear, so the trailer can overturn even if the tractor does not

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