Car suspension

Suspension is the system of tires, tire air, springs, shock absorbers and linkages that connects a vehicle to its wheels and allows relative motion between the two. Suspension systems must support both road holding/handling and ride quality, which are at odds with each other. The tuning of suspensions involves finding the right compromise.

The suspension is crucial for maintaining consistent contact between the road wheel and the road surface, as all forces exerted on the vehicle by the road or ground are transmitted through the tires' contact patches.
The suspension also protects the vehicle itself and any cargo or luggage from damage and wear.
The design of front and rear suspension of a car may be different.

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Source: Wikipedia · Image: Wikimedia Commons · Public domain