Understanding Newton's First Law of Motion, which states that an object will remain at rest or in uniform motion unless acted upon by an external force, has contributed to the development of car safety features. Seat belts, for example, prevent passengers from continuing in motion when a car suddenly stops, by applying an external force and securing them to the seat. Similarly, headrests provide support and prevent whiplash injuries by reducing the backward motion of the head during a rear-end collision. rephrase like a 8th grader
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Newton's First Law of Motion helps us understand that objects will stay still or keep moving in a straight path until something pushes or pulls on them. This idea has made car safety better by creating features like seat belts and headrests. Seat belts stop us from moving forward if the car suddenly stops, and they keep us stuck to our seats. Headrests support our heads and stop them from jerking backward if we get hit from behind.