What is the role of the four wheels of the car?
, Tires play a role in increasing friction and shock absorption.
Car front wheel also play a role in driving, the cart is basically the rear wheel drive; is the engine power through the clutch, transmission, differential transmission to the wheel so that the car can move forward or back.
Two front wheels in addition to the role of the above also played a turning role.
Four wheels are an important part of supporting the body, the vehicle is running an indispensable part
