A loaded tanker traveling 10 mph above the safe curve speed has a:
Correct. Centripetal force scales with speed squared. Just 10 mph over safe speed can take you past the rollover threshold of a loaded tanker.
CDL Practice Question #341
Category: Tanker
Why this question matters
This question is one of 50 in our Tanker bank. The reasoning above comes directly from the AAMVA CDL Manual, the source document used by every U.S. state DMV. Memorizing the underlying rule — not just the letter answer — is what separates passing on the first attempt from a return trip and another fee.