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Disc brakes are an essential component in modern automotive brake systems, utilizing friction to slow and stop the rotation of wheels. They consist of a disc-shaped rotor attached to the wheel hub, calipers housing pistons that apply pressure on either side of the rotor via brake pads, and a mechanism to activate this process. The interaction between the brake pads and the spinning rotor generates heat, which in turn dissipates and converts kinetic energy into thermal energy, ultimately leading to controlled deceleration. This technology has become ubiquitous due to its efficiency, reliability, and performance advantages over traditional drum brakes, making it a critical element in automotive safety and functionality.