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Airbags reduce injury by making the stopping force act over a:
AShorter time
BLarger mass
CSmaller area
DLonger time
Answer & Solution
Correct answer: D. Longer time
1. The momentum change is the same either way.
2. A longer time means a smaller force.
3. Padding and crumple zones work the same way.
_Source: OpenStax College Physics for AP Courses 2e, Chapter 8, Linear Momentum and Collisions (CC BY 4.0)._
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