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Quebec SAAQ Knowledge Test · Question

When towing a trailer your stopping distance:

Towing a trailer significantly increases stopping distance because the added mass creates more momentum, requiring greater braking force and longer distances to

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Question: When towing a trailer your stopping distance:

Answer options:

  • Stays the same ✅ Increases significantly — leave more space
  • Decreases
  • Doesn't change with weight

Correct answer: Increases significantly — leave more space

Explanation: Towing a trailer significantly increases stopping distance because the added mass creates more momentum, requiring greater braking force and longer distances to stop safely. Incorrect choices suggesting stopping distance decreases, remains unchanged, or is unaffected by weight violate basic physics and ignore the compounding inertia of the attached load. Under SAAQ safe-driving guidelines, motorists must actively increase their following distance to compensate for this compromised braking capacity. For exam success, remember that any increase in a vehicle's gross weight or towing configuration always demands a larger safety cushion to ensure a safe buffer.

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