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Newton's Laws of Motion

Examples Of The First Law



(1) Why use seat belts? Riding in a car you and the car have the same motion. When the brakes are applied, the brakes stop the car. What stops you? Eventually the steering wheel, the dashboard, or the window unless they are replaced by a seat belt, which stops your body. When the accelerator is depressed with the car in gear the motor turns the wheels and the car moves forward. What moves you forward? As the car moves forward the seatback comes forward, contacts, you and pushes you forward.



(2) While you are riding in the front passenger seat of a car, the driver suddenly turns left. What about you? You continue to move in a straight line until the door to your right, turning left, eventually runs into you. In the car it may appear to you that you slid outward and hit the door.


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Science EncyclopediaScience & Philosophy: Mysticism to Nicotinamide adenine dinucleotideNewton's Laws of Motion - First Law Of Motion, Examples Of The First Law, Second Law Of Motion, Applications Of The Second Law