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The study of physics has had a large impact on the development of road safety. The study of Newton's Laws, impulse and momentum help to reduce initial momentum or decrease impulse (rate of change of momentum) to protect passengers.
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Word Count: 1205 Year11 Physics Research Assignment Moving About Introduction The study of physics has had a large impact on the development of road safety. The study of Newton's Laws, impulse and momentum help to reduce initial momentum or decrease impulse (rate of change of momentum) to protect passengers. Technological advances and studies of vehicle crashes increase the automobile industry's understanding of the forces involved and ways of reducing effects of collisions. Within vehicles, many car safety devices are installed, such as seat belts, air bags, crumple zones and head rests. Modern road design reduces the initial or rate of change of momentum and consequently the impact of collision through crash barriers, speed zones and speed humps. Car safety devices Seatbelts Seatbelts are designed so that passengers are restrained instead of continuing to move forward at the car's speed when the brakes of a moving vehicle are applied. In this situation, there is a tendency for a body...
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