• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

Car Safety Features: Newtons Laws in Airbags

Extracts from this document...


Physics Car Safety Features: Newton?s Laws in Airbags Airbags are important safety features in modern cars. They are implanted in the dashboard, steering wheel, and sometimes the sides of cars. They inflate when there is a crash, to protect the driver and passengers. The bags are made out of nylon and are inflated with one or more gas generators and sometimes stored helium. They use sensors in the car to detect the force of impact during a crash and activate the gas generators which dissolve sodium azide in water to quickly produce NaN3 gas. The force of the airbag can be adjusted through many means. In some cars, there are vents in the back of the airbag that can be adjusted to lower the amount of force exerted through an airbag. ...read more.


This means that they will collide with some part of the car as the car has had a change in directional velocity. The airbags make the impact less fatal by absorbing some of the force carried by the person. The instruments on a car can calculate a person?s force based on how fast the car was going and use that to quickly fine tune the deployment of the airbag. In modern cars there are even sensors in the seats to tell if someone is sitting there and how much they weigh. A car can use their weight with the speed of the car and Newton?s second law to more finely tune the airbag. ...read more.


These three fundamental laws of motion justify why airbags are necessary in cars. It is ethically expected that cars will be safe when people drive them. Car companies can also sell their cars better for a higher economic product when they are equipped with the most modern of car safety features. This need and expectation for car safety lead to inventions like airbags, car seat belts, and car designs to minimize force and damage in a car. Advancements in car safety features started new laws that facilitated the use of safety features like seat belts and set regulations for other features like airbags. Some advancements also impacted the social and ethical norms. For example, it is now considered wrong for someone to not wear a seatbelt and it is also illegal. Ultimately advances in car safety features have helped everybody and made the world a safer place. ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our International Baccalaureate Physics section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related International Baccalaureate Physics essays

  1. Centripetal Force

    0.744 1.344086 1.806567 0.399702 -0.027055 0.0007320 7.00 0.700 1.428571 2.040816 0.451529 0.024772 0.0006136 7.32 0.732 1.366120 1.866284 0.412914 -0.013843 0.0001916 6.35 0.635 1.574803 2.480005 0.548700 0.121943

  2. AIM: To study Newtons second law of cooling.

    540 51 47 43 570 50 46 42 600 50 46 42 The initial volume of water taken in each beaker was 80ml and for each of the three cooling cases the initial temperature of water was taken to be 60.

  1. To investigate and prove Newtons law, F=ma.

    F = ma y = mx Slope of graph (mass): m = ?y/?x = (0.600 - 0.081) / (1.93 - 0.26) = 0.31078 We can also calculate the slope of the graph by: F = ma m = F/a Force (N)

  2. Analyzing Uniform Circular Motion

    occur, the actual radius would form a Pythagorean relationship with the length of the string as the length becomes the hypotenuse and this relationship will be explained later on in the Evaluation section. Manipulated Data The Manipulated Data section (not to be confused with previous manipulating radius and mass etc)

  1. Electricity Safety

    You will also receive an electric shock. The movement of electricity is very dangerous. If electricity travels through you, you could easily, seriously get hurt or even die. Electricity can travel through you, if you touch an electric circuit and the ground at the same time; you become electricity's easiest path.

  2. Bullet Train Newtons Laws

    With Tokyo, being such a highly populated city. Japan became aware that the motorcar was not going to work efficiently and environmentally. The Japanese bullet train is recognized with being the world's fastest train. The bullet train has a reputation for being safe, fast and punctual.

  1. HL Physics Revision Notes

    that carbon dioxide solubility in oceans decreases which means more is left in the atmosphere. Example question: Large areas of rainforests are being destroyed by cutting down (and burning. Discuss the possible effects of this on the energy balance of the region.

  2. Researching water turbine designs.

    Reaction turbines Francis turbines. Francis turbines are reaction turbines, with fixed runner blades and adjustable guide vanes, used for medium heads. In this turbine the admission is always radial but the outlet is axial. Photograph 6.3 shows a horizontal axis Francis turbine. Their usual field of application is from 25 to 350 m head.

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work