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The Scientific Reasoning Behind Seatbelts

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Motion is how everything in the universe moves, movement of the solar system never stops and is constantly moving but at a very slow speed. There are three laws in motion that explain movement, they are the Newton’s three laws of motion named after Isaac Newton. The Newton’s first law states that an object that is a rest will stay at rest unless an outside force is acted upon it and an object that is in motion will stay in motion unless an outside force is acted upon it. This is also called as “inertia”, which means the property of an object to restrict its motion. Examples of inertia would be when a car is driving at a constant speed and instantly stops the person will fall forward if there is no seatbelt. The seatbelt is a safety device that is commonly found on car seats and aircraft seats, it is made from strong durable materials such as fabric, nylon or polyester. Cars that are manufactured are required to have seatbelts due to road safety laws. The law was introduced in the 1970s, it was shown that having seatbelts reduced the amount of road deaths. The seatbelt was invented by George Cayley in the 1800’s, the seatbelt appeared on planes in the 1900’s but was later developed to a three point seatbelt by Nils Bohlin. The purpose of seatbelts is to save lives during a sudden stop of movement. The seatbelt was designed to restrain the person from forward motion that may occur in a collision or a sudden stop. Wearing a seatbelt is the simplest way to reduce death or

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