Question

Наведіть приклади зменшення тертя​

Answer 1

змащувати шліфуваті і тд.

Answer 2

Examples of Reducing Friction

Friction can be reduced in various ways, and here are some examples:

1. Lubrication: - One common method of reducing friction is through the use of lubricants such as oil or grease. These substances create a thin film between surfaces, reducing direct contact and minimizing friction.

2. Smoothing Surfaces: - Another approach to reduce friction is by smoothing the surfaces in contact. This can be achieved through polishing or using materials with low surface roughness to minimize the resistance between the surfaces.

3. Ball Bearings: - Ball bearings are used to reduce friction in rotating machinery. The rolling motion of the balls or rollers within the bearing reduces the friction between the moving parts.

4. Air Cushions: - Air cushions, such as those used in hovercraft or air hockey tables, create a layer of air between surfaces, reducing friction and allowing for smooth movement.

5. Streamlining: - In fluid dynamics, streamlining the shape of an object can reduce frictional drag. This is commonly seen in the design of vehicles, aircraft, and marine vessels.

These examples demonstrate various methods for reducing friction in different contexts.