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Motion and Chemical Reactions: Vehicular Safety

Year 10 Science


Vehicle safety features have come a long way over the years. Features such as crumple zones, seat belts and airbags all provide protection if you have a crash, however active safety assist technologies which can prevent a crash from occurring are now a significant point of differentiation.

NSW Government

Improvements to heavy vehicle design and safety features have made a proven contribution to reducing the number and severity of crashes. The Centre for Road Safety in Transport for NSW independently reviews a wide range of crash avoidance and vehicle technologies available in the market. Every technology described in this publication has a safety benefit.

Vehicle Safety Plan

As vehicle design has evolved, the inclusion of technology has progressively increased and now plays a key role in many fundamental systems and components of a vehicle. For example, the transition from mechanically actuated braking systems in early motor vehicles to air systems that are now being augmented or replaced by electronic systems.


An airbag is a vehicle occupant-restraint system consisting of an inflatable bag that interferes between the passengers and the car’s dashboard during a collision, preventing passengers from serious injuries. The mechanism of the airbag works by the chemical reactions and an array of sensors that actuate the process of inflation of an airbag within milliseconds after they sense a collision.

Car Expert

Airbags are a fundamental safety technology in vehicles sold today. As their name suggests, they are inflatable bags of gas that act as a cushion to reduce the forces experienced by vehicle occupants during a collision.

Car Expert- Augmented Reality  AR is simply an additional feature to add to the tech equipment list arsenal.

By making driving more distraction-free and aiding the car design, production, and repair stages could be transformative to the automotive industry in years to come.


Blind Spot Technology- The blind spot in an automotive context is a part of your view outside that’s obstructed by the body of your car. Depending on the car, this could include your view of what’s happening towards the front of the car (if it has a wide a-pillar), or your view towards the rear. 


Safety is a top priority for those in the market for a new car, and when it comes to active safety features AEB is changing the game -- in fact it could save your life. Modern car safety systems, like forward collision detection, can help spot danger and warn the driver. Autonomous emergency braking (AEB) goes one step further and can automatically apply the brakes. The technology can potentially help lessen the impact of a crash, or in some circumstances even prevent a prang from happening.

The front and side Supplementary Restraint System (SRS) includes up to 6 airbags. They are located in: The steering wheel hub and front passenger instrument panel (front airbags) The outboard sides of the front seatbacks (side airbags) The front and rear window pillars and the roof edge along both sides (curtain airbags). These systems operate independently depending on the type of accident encountered. The front SRS airbags are activated by strong frontal collisions. Together with the restraining effort of the seat belts, they help reduce the risk of serious injury to the head and upper torso of the driver and front passenger. In the event of a significant side-on impact, side and curtain airbags deploy to minimise the shock inflicted on the chest, head and neck areas of front and rear seat passengers.

The electronic stability program (ESP®) supports the driver in nearly all critical driving situations. It comprises the functions of the antilock braking system (ABS) and the traction control system, but can do considerably more. It detects vehicle skidding movements, and actively counteracts them. This considerably improves driving safety.

The new Mercedes-Benz Head-Up Display helps you stay informed while keeping you focused on the road ahead. The Head-Up Display is live color image that is projected by a device on the dashboard onto a special film in the windshield glass.

How sensors prevent you from making a common mistake. Basically, most systems use the ultrasonic sensors in the rear bumper - the same ones that beep and buzz when reverse parking - or rear-mounted radars to detect when another car is either beside you or approaching in an adjacent lane.

Car camera tech has come a long way over the course of the last few years. Now, you can see everything around your vehicle. This all-around camera view is offered by a number of automakers on a bunch of cars. Let's take a look at what it is, how it works, and how you can use it to make your driving experience that much better.

in this video we give a Step-by-step demonstration on how to activate and use Lane change warning and Lane keep assist on a Honda Civic

The Driver Fatigue Detection system automatically analyses the driving characteristics and if they indicate possible fatigue, recommends that the driver takes a break.


Auto Emergency Braking technologies are designed to detect objects in your vehicle’s path and brake automatically when you can’t. The technology can potentially help lessen the impact of a crash and in some circumstances even prevent the crash from happening.


Antilock Braking Systems (ABS) detect the first signs of wheel lock under braking and interrupt the brake force for a fraction of a second at a time to allow the tyres to maintain grip.


NHTSA works to advance the lifesaving potential of vehicle technologies.


In order to evaluate the effectiveness of a pedestrian-automatic emergency braking (PAEB) system on pedestrian protection, a set of PAEB test equipment was developed according to the test requirement of China-New Car Assessment Program (C-NCAP) (2018)


FLIR is empowering the automotive community to create the next generation of safer, more efficient ADAS and autonomous vehicle (AV) systems using cost-effective thermal cameras.

Thermal Cameras

The ability to see clearly through the darkness, smoke, most fog and glare from the sun or oncoming headlights provides a safety advantage in practically all driving environment.

Car Advice

Seven new-car safety features becoming must-haves in 2021.


Airbags used in the Mars Exploration Rover mission are the same type that Mars Pathfinder used in 1997. Airbags must be strong enough to cushion the spacecraft if it lands on rocks or rough terrain and allow it to bounce across Mars' surface at freeway speeds after landing.