Speed and stoppingQuestion 111 of 215

You double your speed. What happens to the force of a crash?

  1. It becomes two times greater.
  2. It stays the same.
  3. It becomes half as great.
  4. It becomes four times greater.
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Correct answer: It becomes four times greater.

The force of impact grows quickly with speed. Twice the speed gives four times the force.

Source: Yukon Driver's Basic Handbook: Cars and Light Trucks (Government of Yukon, © 2022), Chapter 8, Collision avoidance, page 128

Practice speed and stopping

Questions last reviewed: 18 October 2026