A load restraint system on a vehicle should be capable of restraining what percentage of the weight of the load from shifting forwards and upwards?

• A. Diagram 1
• B. Diagram 2
• C. Diagram 3
  Explanation:

  "The majority of sustained force will be forwards when braking, as opposed to vertical forces due to humps in the road. 80% of the load's weight should be able to be restrained forwards."