Is it true that friction usually occurs between the bucket (or cutting edge) and the ground?

Friction indeed occurs between the bucket or cutting edge of equipment and the ground during operation. This is primarily due to the contact between these surfaces when lifting or excavating material. When the bucket makes contact with the ground, the surfaces interact, resulting in friction, which can affect the efficiency of operation and the performance of the equipment.

Understanding friction is crucial for operators, as it can influence the amount of force needed to move the bucket as well as the wear and tear on both the equipment and the ground surface. Proper management of this friction can enhance operational efficiency and minimize the risk of equipment damage.

Recognizing that friction is always present during such interactions helps operators anticipate challenges in maneuvering their equipment and make informed decisions to optimize their performance on-site. Different conditions, such as material type or moisture level, can influence the degree of friction, but the fundamental principle remains that contact between the bucket and the ground will lead to the occurrence of friction.