To roll around and carry some weight smoothly.
The front wheels are the drive wheels on most lift trucks.
The front wheels are the drive wheels and carry the weight of the payload.
A bicycle without wheels serves no practical purpose as the wheels are essential for its function of providing transportation.
more grip and traction
to turn the wheels of a car !
to turn the wheels of a car !
it transfers the power of the engine to the drive wheels.
To carry the main loading.
By transferring the spring energy to the drive wheels.
to carry and move heavy loads
Without a transmission a car will not run. The function is to transmit engine power to the wheels via a system of gears.
The clutch disconnects drive from the engine to the wheels. It is required to change gears.