Automobile Engineering in ME
The basic function of the suspension is to

Absorbs vibration and impact forces from the road surface
Automatically correct the effects of over steering
Ensure that the steering wheel can deliver a suitable amount of steering force
Ensure that wheel alignment is not disturbed during driving

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Automobile Engineering in ME
The ball joints are used on the tie rod ends, because they

Improve the force transmission speed
Can deal with movement of the suspension both vertically and in other directions
Reduce the amount of sliding resistance
Reduce the amount of noise generated

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