Question

why are modern seat belts more effective than earlier designs? complete the sentences. modern seat belts use to slow passengers down more gradually. these provide slack after have tightened the belt. additionally, seat belts are now worn consistently than they were in the past.

Explanation:

Modern seat - belts use pretensioners to quickly tighten the belt in a crash. Then, load - limiters allow some slack to slow passengers down more gradually. Also, due to increased safety awareness and laws, seat - belts are worn more consistently now.

Answer:

1. Load - limiters
2. Pretensioners
3. More