Final answer:
Motorcycles will have the most difficulties staying in their lane during strong wind due to their lighter weight and smaller size as compared to other vehicles.
Step-by-step explanation:
The vehicle that will have the most difficulties staying in its lane during strong wind is the motorcycle.
Motorcycles have a smaller profile and less weight compared to cars, trucks, and bicycles. This makes them more vulnerable to strong winds, which can push them off course and make it difficult to stay in their lane. The lack of stability and wind resistance of motorcycles can lead to a higher chance of accidents in windy conditions.
For example, a motorcycle's lighter weight and small size can cause it to be easily affected by crosswinds, resulting in the rider having to constantly and actively adjust their position to stay in their lane.