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World 5 · Crumple Zones and Airbags · 13 min · PRO

Seat belts and airbags

Spreading the force

PRO · Engine Room

World 5: Crumple Zones and Airbags is part of PRO

The first world of Engine Room is free. PRO opens the other 20 lessons in 6 worlds — simulations, quizzes and all.

  • Force, time and impulse
  • Crumple zones
  • Test, measure, redesign
  • Drag grows with speed squared
  • Shape matters
PRO includes
  • All 60 labs — every world, every lesson
  • Practice exams and certificates

$8.33/mo, billed yearly ($99.99) · or $39.99 monthly

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