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Published byEdward Ford Modified over 8 years ago
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Done By Ong Ka-Shing Huang Zhang Shengxi Cao Wei In Cars
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What should we have Safety Seat belts Air Bags Anti Lock Brakes Tire Pressure Monitoring Systems
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Safety Seat belts A must-have feature in cars Protects the passenger from harm by reducing inertia Secure the occupant against harmful movement that may result from a collision or a sudden stop.
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Stops the wearer from hitting hard interior elements of the vehicle, or other passengers Newton’s third law: -If object A exerts a force on object B, object B will exert an equal force on object A Hence, seat belts will exert a same force back on the passenger when passenger is thrown forward in the accident. Thus protect the passenger.
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Air Bags one of the most necessary features in crash protect the occupants’ faces and heads from striking the interior car parts. in a head-on crash special sensors need only 1\20th of a second to fit the bag
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It inflates when the car decelerates extremely quickly results in a decrease of force acting on the passenger. With the aid of seat belts, both can achieve high-level safety
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Anti Lock Brake(ABS) prevent a car's wheels from locking during panic braking. It allows the car to slow in a more controlled manner, the driver can thus maintain better steering control and avoid an accident. Improves vehicle control
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There are four main components to an ABS: -speed sensors, valves, a pump, and a controller. When the ABS system is in operation the driver will feel a pulsing in the brake pedal this comes from the rapid opening and closing of the valves.
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Tire Pressure Monitoring Systems Use a warning light on the dashboard to alert the driver when a tire is significantly under-inflated. As tires in this condition are much more prone to tire failure (a blow out). Standard for this warning: -when the tire pressure is 25% below the tire manufacturer's recommended inflation pressure. Prevent possible accident from occurring
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Reference http://en.wikipedia.org/wiki/Anti-lock_braking_system http://en.wikipedia.org/wiki/Anti-lock_braking_system http://www.google.com.sg/imgres?imgurl=http://www.sbbo ron.com/images/airbag.jpg&imgrefurl=http://www.sbboron. com/airbags.html&h=463&w=656&sz=18&tbnid=Q03hMIf 236L7KM:&tbnh=97&tbnw=138&prev=/search%3Fq%3Da ir%2Bbag%26tbm%3Disch%26tbo%3Du&zoom=1&q=air +bag&hl=en&usg=__wp33O59fiqoTiiSV6aWfeZM0bwc=& sa=X&ei=80sFTqSKF4jMrQe6yv2ZDA&ved=0CGQQ9QE wBg http://www.google.com.sg/imgres?imgurl=http://www.sbbo ron.com/images/airbag.jpg&imgrefurl=http://www.sbboron. com/airbags.html&h=463&w=656&sz=18&tbnid=Q03hMIf 236L7KM:&tbnh=97&tbnw=138&prev=/search%3Fq%3Da ir%2Bbag%26tbm%3Disch%26tbo%3Du&zoom=1&q=air +bag&hl=en&usg=__wp33O59fiqoTiiSV6aWfeZM0bwc=& sa=X&ei=80sFTqSKF4jMrQe6yv2ZDA&ved=0CGQQ9QE wBg http://www.money-zine.com/Financial-Planning/Leasing- or-Buying-a-Car/Car-Safety-Features/ http://www.money-zine.com/Financial-Planning/Leasing- or-Buying-a-Car/Car-Safety-Features/ http://autotips.plentycar.com/car-safety-features-what-are- they/ http://autotips.plentycar.com/car-safety-features-what-are- they/ http://en.wikipedia.org/wiki/Tire- pressure_monitoring_system http://en.wikipedia.org/wiki/Tire- pressure_monitoring_system
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