Which design concept helps protect occupants by keeping energy away from them during a crash?

• A. Low-profile chassis
• B. Framed and unibody design
• C. Wheel alignment
• D. Roof rails

Answer: (B)

Protecting occupants in a crash comes from a structure that directs and absorbs collision energy away from the passenger area. Framed and unibody design describes how the vehicle’s chassis and body work together (or separately) to manage that energy. In a unibody, the entire shell is engineered with crumple zones that deliberately deform to soak up impact, while keeping the cabin—the safety cell—relatively rigid to shield people inside. Even in framed designs, the frame and body work to channel crash forces into zones designed to deform, rather than into the occupant space. This approach contrasts with features like a low-profile chassis, wheel alignment, or roof rails, which mainly influence handling or utility rather than how crash energy is absorbed.