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shock absorbers and other supports which connect a vehicle to its wheels. Suspension systems serve a dual purpose - keeping a car's wheels on the ground where they can provide traction, and keeping vehicle occupants comfortable and reasonably well isolated from road noise, bumps, and vibrations. These goals are generally at odds, so the tuning of modern suspensions is often finding the right compromise.
Suspension systems can be broadly classified into two subgroups - dependent and independent.
Dependent systems are mostly variants of the simple beam or 'cart' axle and include:
New suspension technologies in development include a system from Bose which uses computer-controlled motors to automatically adjust the suspension to changing road surfaces, keeping a vehicle level and in contact with the road even at high speed over bumpy roads, or in hard cornering.
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