What might happen if the turning arc of the front wheels is too small?

Prepare for the ICBC Commercial Vehicles Exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

When the turning arc of the front wheels is too small, one significant consequence is that the back wheels of the trailer may leave the road. This situation typically occurs when a vehicle, especially a commercial vehicle or a vehicle towing a trailer, attempts to make a sharper turn than the vehicle's design allows.

In such scenarios, as the front wheels turn at a tight angle, the rear wheels may not have enough lateral space to follow the path of the front wheels. This can cause the trailer to track inward, resulting in the back wheels going off the edge of the roadway. This can lead to instability and potential hazards such as increased risk of rollover or loss of control over the vehicle.

Understanding this concept is crucial for drivers of commercial vehicles, as managing turning radii effectively is key to safe maneuvering in tight spaces or on narrow roads. It illustrates the importance of considering the dimensions and pivot points of both the towing vehicle and the trailer when executing turns.

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