Automobile Engineering in ME
The main function of a master cylinder is to

Adjust the extent of brake pedal free play
Convert brake pedal force into hydraulic pressure
Ensure that all the wheel brakes are supplied with the same amount of fluid pressure
Boost the force applied to brake pedal

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

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

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