The furniture rollers are provided with negative castor.

A car's steering system is made up of several components, including: Steering wheel Steering column Rack and pinion Tie rods Steering linkage Drag link Tie-rod linkages Power device  The steering system helps the driver turn the car, provides stability, and absorbs road shock. It also helps to: Avoid steering wheel vibrations Reduce tire wear Keep the front wheels straight Convert the rotary motion of the steering wheel into an angular turn of the front wheels  The most common steering system is the rack and pinion, which is used in most cars. It consists of two gears: a rack,... Show more

A car's steering system is made up of several components, including:
Steering wheel
Steering column
Rack and pinion
Tie rods
Steering linkage
Drag link
Tie-rod linkages
Power device 

The steering system helps the driver turn the car, provides stability, and absorbs road shock. It also helps to:
Avoid steering wheel vibrations
Reduce tire wear
Keep the front wheels straight
Convert the rotary motion of the steering wheel into an angular turn of the front wheels 

The most common steering system is the rack and pinion, which is used in most cars. It consists of two gears: a rack, which is a linear gear, and a pinion, which is a circular gear. The rack and pinion system converts a revolving motion into linear motion. 

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