For a rolling stock weighing 14,000 pounds, which restraint option provides the best forward support?

For rolling stock weighing 14,000 pounds, the best forward support is provided by using two MB-2s. These are specialized restraints designed to secure heavy loads and ensure stability during transport, especially in the forward direction where significant forces can act during acceleration or deceleration.

Using two MB-2s offers a balance between load coverage and effective restraint. Each MB-2 is capable of handling a substantial amount of force, and when used in pairs, they work together to distribute the load evenly, minimizing the risk of movement that could compromise safety during transit. Properly positioning the MB-2s ensures that the rolling stock remains secured even under dynamic conditions.

The other restraint options do not provide adequate support for the weight in question. One MB-2 may be insufficient on its own to handle the forward forces acting on a 14,000-pound load. Three MB-2s would provide more restraint than necessary, which could lead to logistical inefficiencies or unnecessary use of resources. The option of no restraints is not viable for such a heavy item, as it would fail to meet safety regulations and pose significant risks during transport.