Here's why:
* Mechanical engineers are trained in understanding forces, materials, and how objects interact. They would be involved in designing the car, the wall, and analyzing the impact forces to ensure safety.
* Physicists specializing in impact dynamics focus on studying the physics of collisions. They would use principles like conservation of momentum and energy to model the impact, determine the forces involved, and analyze the resulting damage.
While other disciplines might be involved (like material scientists examining the damage to the car and wall), the core focus on the force of the impact would likely fall under the expertise of a mechanical engineer or a physicist specializing in impact dynamics.