Which factors influence the depth of the cut made by a chainsaw?

The depth of the cut made by a chainsaw is influenced by several key factors, particularly chain speed, sharpness, and bar length.

Chain speed is crucial because it determines how quickly the chain moves around the bar; a higher speed can lead to deeper and more efficient cuts. Sharpness of the chain is equally important, as a well-sharpened chain will slice through wood more effectively, requiring less force to achieve deeper cuts. Lastly, the bar length directly affects the maximum depth that can be achieved in a single pass; a longer bar can cut deeper into the material being worked on.

Together, these factors create optimal cutting conditions, making option B the most comprehensive and correct answer. The other factors mentioned in the other options—such as fuel type or the weight of the saw—can affect overall performance but do not directly influence the cutting depth in the same manner as the factors listed in option B.