Respuesta :
The correct answer is To reduce the force of impact on your vehicle by allowing your vehicle to travel farther than if it hit the abutment directly.
Sand barrel crash cushions, as its name suggests, are filled with sand, shaped like barrels, and function to give a "cushion" in the event of a car collision. These forces include kinetic energy, gravity, inertia, friction, and frictional force. Depending on the weight, speed, and direction of a vehicle, these forces will have different effects. To counteract these strong natural forces, you should drive your car.To allow for safe braking and unforeseen movements, large trucks require more space between vehicles. Large trucks most frequently collide with the car in front of them in accidents.
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