Doubles and Triples must be driven very smoothly because:

They have a high center of gravity and are prone to rollovers.. Section 7.1: Sudden movements can cause cracks-the-whip and rollovers.

Doubles and Triples must be driven very smoothly because:

ANSWER BREAKDOWN
  • A. Incorrect. "It saves gas." is not correct. Sudden movements can cause cracks-the-whip and rollovers.
  • B. Correct. Sudden movements can cause cracks-the-whip and rollovers.
  • C. Incorrect. "The engine is weak." is not correct. Sudden movements can cause cracks-the-whip and rollovers.
  • D. Incorrect. "The tires are small." is not correct. Sudden movements can cause cracks-the-whip and rollovers.