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Occupant Deceleration & Restraints
Inside this lesson
- Explain why an unrestrained occupant suffers far higher deceleration
- Describe seatbelt pretensioner and load-limiter functions
- Explain how airbags spread force over area and time
- Relate restraint design to the deceleration the body experiences
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Educational content covering topics typical of a first- and second-year automotive engineering curriculum. Not a substitute for accredited coursework, and not suitable for real vehicle design, operation, regulation, or safety decisions without review by a licensed professional engineer. References to WLTP/EPA test cycles, ISO 26262, NCAP/IIHS, or SAE levels are descriptive context only, not compliance, certification, or capability guidance.