Which of the following are main components of a typical suspension system?

The main components of a typical suspension system include springs, shock absorbers, control arms, and stabilizer bars, which are essential for providing a smooth ride and maintaining vehicle stability.

Springs support the weight of the vehicle and absorb impacts from the road, while shock absorbers control the oscillations of the springs, helping to stabilize the vehicle’s ride by minimizing bounce and ensuring that the tires stay in contact with the road. Control arms connect the vehicle's framework to the wheels and allow for controlled movement of the wheels relative to the body of the car. Stabilizer bars, also known as anti-roll bars, help reduce body roll during cornering, improving handling and safety.

In contrast, components mentioned in the other options do not fall under the suspension system. For example, brakes, wheels, the engine, and axles are part of the drivetrain and braking systems, while the transmission and propeller shaft relate to the powertrain. Additionally, the clutch, radiator, and exhaust system pertain to vehicle performance and emissions, which are not directly involved in the vehicle’s suspension function.