What component is primarily responsible for absorbing shocks from road irregularities in a suspension system?

The correct response identifies the spring as the primary component responsible for absorbing shocks from road irregularities within a suspension system. Springs play a critical role in maintaining vehicle stability and comfort by allowing the wheels to move up and down over bumps and dips in the road while keeping the body of the vehicle relatively stable.

When the vehicle encounters uneven surfaces, the springs compress and expand, effectively mitigating the impact of these irregularities. This action not only helps to improve ride quality but also ensures that the tires maintain better contact with the road surface, enhancing overall handling and safety.

Other components like struts and control arms also play important roles but are not primarily shock absorbers. Struts can incorporate a spring and are involved in providing structural support to the suspension while also serving as a shock absorber. However, when discussing shock absorption specifically, the spring is the key component. Meanwhile, sway bars are designed to reduce body roll during cornering and do not have a primary role in absorbing shocks from vertical motion on the road.