Car Brakes

What is the primary function of car brakes?

• To increase the speed of the car

• To decrease the speed of the car

• To change the direction of the car

• To improve fuel efficiency

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Which type of brake system uses fluid to transfer pressure from the control to the brake mechanism?

• Mechanical brakes

• Hydraulic brakes

• Electric brakes

• Magnetic brakes

What is the role of friction in car brakes?

• It reduces the wear and tear of brake pads

• It converts kinetic energy into heat

• It increases the car's speed

• It cools down the brake system

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Which material is commonly used for making brake pads due to its high friction properties?

• Plastic

• Rubber

• Asbestos

• Wood

In a disc brake system, what component squeezes the brake pads against the disc?

• Caliper

• Rotor

• Piston

• Drum

What is the main advantage of anti-lock braking systems (ABS)?

• Increases fuel efficiency

• Prevents wheels from locking during braking

• Reduces brake noise

• Improves acceleration

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Which law of motion explains the stopping of a car when brakes are applied?

• Newton's First Law

• Newton's Second Law

• Newton's Third Law

• Law of Universal Gravitation

What happens to the kinetic energy of a car when brakes are applied?

• It is completely destroyed

• It is converted into potential energy

• It is converted into heat energy

• It remains unchanged

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Which component in a car brake system is responsible for dissipating heat?

• Brake pads

• Brake fluid

• Brake rotor

• Brake caliper

What is the purpose of brake fluid in a hydraulic brake system?

• To lubricate the brake pads

• To transfer force from the pedal to the brakes

• To cool the brake system

• To clean the brake components