Which components are included in the suspension system?

The suspension system of a vehicle is primarily responsible for ensuring ride comfort and handling by managing the interaction between the vehicle and the road. Among the components typically involved in a suspension system, shock absorbers and springs stand out as crucial parts. Shock absorbers help control the impact and rebound movement of the vehicle's springs, while springs support the vehicle's weight and absorb large bumps.

The toll accumulator and half shaft, while important in other systems of a vehicle, are not typically part of the suspension system. The toll accumulator is more related to hydraulic systems and energy storage, while the half shaft is linked to the drivetrain and transmits power from the differential to the wheels.

In contrast, components such as lower and upper arm controls are integral to the suspension but are not the best choices when considering the primary suspension elements aimed at providing a smooth ride. Tires, although essential for vehicle movement and performance, are part of the contact interface rather than the suspension system itself.

The correct selection includes shock absorbers and springs, as they are directly responsible for the mechanisms that provide cushioning and stability during operation, making them fundamental to the suspension system of vehicles like the JLTV.