Is the breaking system in a car an example of a hydraulic device?

Yes, the braking system in a car is an example of a hydraulic device. It uses hydraulic fluid to transmit force from the brake pedal to the brake components at the wheels. When the driver presses the brake pedal, the hydraulic fluid is compressed and transfers this force, allowing the brakes to engage effectively. This system leverages Pascal's principle, where pressure applied to a confined fluid is transmitted equally in all directions.