Helmets are also a vital aspect of car safety, particularly when car racing. Our skulls are made of tough, hard bone, but the brain inside is very soft and it can get badly damaged if you hit your head hard enough.

Motercycle helmets are made of three parts: a tough outer shell, a foam inner lining and a chin strap. If a motercyclist’s head hits the road, the tough outer shell of the helmet will absorb about a third of the impact around the helmet, so that the force in any one place is reduced.
 

Car Materials

Steel; has been used for centures in construction of transport veichles, includindg the present centurie cars. It is very strong and heavy, making it most a very suitable material for car construction.
Aluminium; was first isolated in 1925 but many years elapsed before and affordable method of aluminium was invented. It is used widely due to its light and strong nature. In the modern cars aluminium is is increasingly used for the frames’ wheels and engine blocks.
Rubber; is frankly used for the car tyres. The use of rubber soared after the invention of the safety bicycle, motor car and pneumatic tyre in the 1980s. Tyres noe account for two-thirds of rubber consumption.

Air bags: Air bags stop the person from hurting heir heads and faces in a crash. When crash stats, the air bag quickly fills with a gas. Gas is squashy. It lets the drivers head more slowly