Drive train
The drive train transfers power from the engine to the ground.
Braking system
As important as starting, even more so at times; is stopping. All modern cars use a hydraulic brake system. Through the brake pedal, the operator pressurizes the brake fluid in the master cylinder. The pressurized fluid acts on pistons. These pistons apply pressure to a shoe or pad. The friction surface of a shoe acts on the friction surface of a drum. The friction surface of a pad acts on the friction surface of a disc. The friction converts kinetic energy of the moving parts into heat.
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