coefficient of friction

简明释义

摩擦系数

英英释义

例句

1.The coefficient of friction 摩擦系数 between ice and steel is very low, which is why skates glide easily.

冰与钢之间的coefficient of friction 摩擦系数 非常低，这就是为什么滑冰鞋可以轻松滑行的原因。

2.Engineers must calculate the coefficient of friction 摩擦系数 when designing mechanical systems to ensure safety.

工程师在设计机械系统时必须计算coefficient of friction 摩擦系数 以确保安全。

3.In physics class, we learned that the coefficient of friction 摩擦系数 can vary depending on the materials in contact.

在物理课上，我们了解到coefficient of friction 摩擦系数 会根据接触材料的不同而变化。

4.The coefficient of friction 摩擦系数 between rubber and asphalt is relatively high, making it ideal for tires.

橡胶与沥青之间的coefficient of friction 摩擦系数 相对较高，使其非常适合用于轮胎。

5.To improve performance, the coefficient of friction 摩擦系数 of the brake pads was increased.

为了提高性能，刹车片的coefficient of friction 摩擦系数 被提高了。

作文

The concept of friction is fundamental in both physics and everyday life. When we think about how objects interact with each other, the coefficient of friction plays a crucial role in determining the ease or difficulty of movement between surfaces. The coefficient of friction is a numerical value that represents the ratio of the force of friction between two bodies to the normal force pressing them together. This value varies depending on the materials involved and their surface conditions. For instance, rubber on concrete has a high coefficient of friction, which is why cars can grip the road effectively, while ice on metal has a low coefficient of friction, leading to slippery conditions.Understanding the coefficient of friction is vital for engineers and designers when creating products that involve motion. For example, in the automotive industry, the coefficient of friction between tires and the road affects vehicle safety and performance. A higher coefficient of friction means better grip, which translates into shorter stopping distances and improved handling. Engineers often conduct tests to measure the coefficient of friction of different tire materials under various conditions to ensure optimal performance.In addition to engineering applications, the coefficient of friction is also relevant in sports. Athletes rely on the right amount of friction to enhance their performance. For instance, a sprinter needs a high coefficient of friction between their shoes and the track to accelerate quickly. In contrast, a figure skater benefits from a lower coefficient of friction to glide smoothly across the ice. Coaches and athletes must understand these dynamics to choose the right equipment and techniques.Moreover, the coefficient of friction is a critical factor in manufacturing processes. In machining operations, the friction between cutting tools and workpieces can significantly affect tool wear and product quality. A proper understanding of the coefficient of friction allows manufacturers to select suitable lubricants and materials, ultimately improving efficiency and reducing costs.In everyday life, we encounter the coefficient of friction in various situations, such as walking or driving. When we walk, our shoes need to provide sufficient grip on the ground; otherwise, we risk slipping and falling. Similarly, when driving, the coefficient of friction between the tires and the road is crucial for maintaining control of the vehicle, especially during adverse weather conditions like rain or snow.In conclusion, the coefficient of friction is an essential concept that impacts numerous aspects of our lives, from the safety of vehicles to the performance of athletes and the efficiency of manufacturing processes. By understanding the coefficient of friction, we can make informed decisions that enhance safety and performance in various fields. Whether you are an engineer, an athlete, or simply someone who wants to understand the world around you better, grasping the significance of the coefficient of friction will undoubtedly enrich your knowledge and experiences.

摩擦的概念在物理学和日常生活中都是基础。当我们思考物体之间如何相互作用时，摩擦系数在决定表面之间运动的容易程度或困难程度方面起着至关重要的作用。摩擦系数是一个数值，表示两个物体之间的摩擦力与将它们压在一起的法向力的比率。这个值因所涉及的材料及其表面条件而异。例如，橡胶与混凝土之间的摩擦系数较高，这就是为什么汽车可以有效地抓住道路，而金属上的冰则具有较低的摩擦系数，导致滑溜的情况。理解摩擦系数对于工程师和设计师在创建涉及运动的产品时至关重要。例如，在汽车工业中，轮胎与道路之间的摩擦系数影响车辆的安全性和性能。较高的摩擦系数意味着更好的抓地力，这转化为更短的制动距离和更好的操控性。工程师通常会进行测试，以测量不同轮胎材料在各种条件下的摩擦系数，以确保最佳性能。除了工程应用外，摩擦系数在体育运动中也很重要。运动员依赖适当的摩擦量来提高他们的表现。例如，短跑运动员需要他们鞋子与跑道之间有较高的摩擦系数，以便快速加速。相反，花样滑冰运动员则受益于较低的摩擦系数，以便在冰上顺畅滑行。教练和运动员必须理解这些动态，以选择合适的设备和技术。此外，摩擦系数在制造过程中也是一个关键因素。在加工操作中，切削工具与工件之间的摩擦可能会显著影响工具磨损和产品质量。对摩擦系数的正确理解使制造商能够选择合适的润滑剂和材料，从而最终提高效率并降低成本。在日常生活中，我们在各种情况下遇到摩擦系数，例如走路或驾驶。当我们走路时，我们的鞋子需要在地面上提供足够的抓地力；否则，我们就有滑倒的风险。同样，在驾驶时，轮胎与道路之间的摩擦系数对于保持车辆的控制至关重要，特别是在雨雪等恶劣天气条件下。总之，摩擦系数是一个重要的概念，影响着我们生活的多个方面，从车辆的安全性到运动员的表现，再到制造过程的效率。通过理解摩擦系数，我们可以做出明智的决策，以提高各个领域的安全性和性能。无论你是工程师、运动员，还是仅仅想更好地理解周围世界的人，掌握摩擦系数的重要性无疑会丰富你的知识和经验。