It is because the place through which the bus or truck is moving has a large surface area , as the tires become wider it will be easy to drive.
because the wheels are broard
Weight distribution.
Weight distribution, to prevent damage to roadways.
so that pressure will decrease and road will not sink
too have a wider area of coverage which allows for better traction.
Vehicles with four wheels are cars, buses and most carriages. Some smaller trucks also have four wheels. There are bicycles as well as motorcycles with four wheels, but the vast majority of these vehicles are only two-wheeled.
The rotation of the steering shaft drives the turning of the wheels, and buses and large trucks have wheels which are significantly more massive than cars' and light trucks', requiring more torque on the steering shaft to turn the wheels. The larger steering wheel gives a mechanical advantage in turning the steering shaft; a longer moment-arm from the application of force by the driver on the steering wheel results in a larger torque on the steering shaft from the same force applied.
Yes
wheels are used everyday. Cars, bikes, buses, planes and trains. Many forms of transport rely on the wheel. Shopping trollies, trucks, forklifts. Wheels allow heavy weights to roll easily and move.
He can do it with 3 big trucks and cannot do with fewer than 3 trucks.
Some buses have 4 some have 6.
Cabover.