Final answer:
While we can deduce principles of static friction and acceleration, the specific number of U-Box containers a U-Box truck can hold maximum is not provided in the reference material and would require direct information from U-Haul's resources.
Step-by-step explanation:
The question regarding how many U-Box containers a U-Box truck can hold is closely related to transportation logistics, which would be a component of a Business class or potentially a practical application problem in a Physics class if related to the concept of capacity and load. However, it seems that the provided reference information is meant to focus on principles of physics, specifically static friction and acceleration. We can use the information about static friction to determine how far a truck can travel without its cargo sliding by employing the formula for maximum static friction, which is Fmax = µs × normal force. This would give insight into the forces at play when a truck starts moving.
However, the exact number of U-Box containers a U-Box truck can hold maximum is not clearly related to the provided reference material and seems to be a specific logistical information about a company's product offering. Therefore, without the specific information on U-Haul's U-Box containers, we cannot accurately provide the maximum number of U-Box containers that can be held by a U-Box truck. For accurate and up-to-date information regarding U-Haul's U-Box containers capacity, one should refer directly to U-Haul's official resources or customer service.