Speed and stoppingQuestion 111 of 215
You double your speed. What happens to the force of a crash?
- It becomes two times greater.
- It stays the same.
- It becomes half as great.
- 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.
Questions last reviewed: 18 October 2026