coefficient of rolling friction

简明释义

滚动磨擦系数

英英释义

例句

1.In robotics, understanding the coefficient of rolling friction 滚动摩擦系数 is crucial for the design of wheeled robots.

在机器人技术中，理解滚动摩擦系数 滚动摩擦系数 对于轮式机器人的设计至关重要。

2.Engineers must consider the coefficient of rolling friction 滚动摩擦系数 when designing vehicles for better fuel efficiency.

工程师在设计车辆以提高燃油效率时，必须考虑滚动摩擦系数 滚动摩擦系数 。

3.The coefficient of rolling friction 滚动摩擦系数 for a rubber tire on asphalt is generally lower than that of a tire on gravel.

橡胶轮胎在沥青上的滚动摩擦系数 滚动摩擦系数 通常低于在砂石上的轮胎。

4.The coefficient of rolling friction 滚动摩擦系数 can vary significantly depending on the surface material.

根据表面材料的不同，滚动摩擦系数 滚动摩擦系数 可以显著变化。

5.To improve the performance of bicycles, manufacturers often optimize the coefficient of rolling friction 滚动摩擦系数 of the tires.

为了提高自行车的性能，制造商通常会优化轮胎的滚动摩擦系数 滚动摩擦系数 。

作文

The concept of friction plays a crucial role in our daily lives, influencing everything from how we walk to how vehicles move. One specific type of friction that is often overlooked is the coefficient of rolling friction, which refers to the resistance encountered when an object rolls over a surface. Understanding this coefficient is essential for various applications, including engineering, transportation, and even sports. To begin with, it is important to distinguish between different types of friction. There are two primary categories: static friction and kinetic friction. Static friction occurs when an object is at rest, while kinetic friction takes place when an object is in motion. The coefficient of rolling friction falls under a different category altogether, as it pertains to rolling objects, such as wheels or balls.The coefficient of rolling friction is typically much lower than both static and kinetic friction coefficients. This means that rolling objects require less force to maintain their motion compared to sliding objects. For instance, consider a bicycle wheel rolling down a hill. The energy required to keep the wheel moving is significantly less than if the bike were sliding down the same slope. This principle is what makes wheels so effective for transportation.Several factors influence the coefficient of rolling friction. One of the most significant factors is the materials involved. For example, a rubber tire on a concrete surface will have a different rolling friction coefficient compared to a metal ball on a wooden floor. Additionally, the surface texture and temperature can also affect the coefficient. A smooth surface generally results in a lower coefficient of rolling friction, while a rough surface increases it.Another critical aspect is the load applied to the rolling object. As the load increases, the contact area between the rolling object and the surface changes, which can lead to variations in the coefficient of rolling friction. For example, a heavily loaded truck may experience a higher rolling friction coefficient than a lightly loaded one, impacting fuel efficiency and overall performance.In the field of engineering, understanding the coefficient of rolling friction is vital for designing efficient vehicles and machinery. Engineers use this knowledge to select appropriate materials and designs that minimize energy loss due to friction. For instance, in the automotive industry, manufacturers strive to develop tires that have a low coefficient of rolling friction to enhance fuel efficiency and improve handling.Moreover, in sports, the coefficient of rolling friction can significantly impact performance. Athletes often rely on equipment designed to optimize rolling friction, such as racing bicycles or rollerblades. A lower rolling friction coefficient allows for faster speeds and better maneuverability.In conclusion, the coefficient of rolling friction is a fundamental concept that influences various aspects of life, from transportation to sports. By understanding the factors that affect this coefficient, we can make informed decisions in engineering and design, ultimately leading to more efficient systems and improved performance. As we continue to innovate and explore new technologies, the significance of the coefficient of rolling friction will undoubtedly remain a key consideration in our progress. Overall, grasping the meaning and implications of the coefficient of rolling friction can enhance our understanding of motion and provide insights into improving efficiency in multiple domains.

摩擦的概念在我们的日常生活中起着至关重要的作用，影响着从我们行走到车辆移动的一切。一个常常被忽视的摩擦类型是滚动摩擦系数，它指的是物体在表面上滚动时遇到的阻力。理解这个系数对各种应用至关重要，包括工程、交通运输甚至体育。首先，区分不同类型的摩擦是很重要的。主要有两类：静摩擦和动摩擦。静摩擦发生在物体静止时，而动摩擦则发生在物体运动时。滚动摩擦系数完全属于不同的类别，因为它涉及到滚动物体，如轮子或球。滚动摩擦系数通常远低于静摩擦和动摩擦系数。这意味着与滑动物体相比，滚动物体维持运动所需的力要小得多。例如，考虑一辆自行车轮子沿着坡道滚下。保持轮子运动所需的能量显著低于如果自行车沿同一坡道滑下的能量。这一原理使得轮子在交通运输中如此有效。多个因素会影响滚动摩擦系数。其中最重要的因素之一是所涉及的材料。例如，橡胶轮胎在混凝土表面上的滚动摩擦系数与金属球在木地板上的滚动摩擦系数是不同的。此外，表面的纹理和温度也可以影响系数。光滑的表面通常导致较低的滚动摩擦系数，而粗糙的表面则会增加它。另一个关键方面是施加在滚动物体上的负载。随着负载的增加，滚动物体与表面之间的接触面积发生变化，这可能导致滚动摩擦系数的变化。例如，一个重载的卡车可能会经历比轻载卡车更高的滚动摩擦系数，从而影响燃油效率和整体性能。在工程领域，理解滚动摩擦系数对设计高效的车辆和机械至关重要。工程师利用这些知识选择合适的材料和设计，以最小化由于摩擦造成的能量损失。例如，在汽车工业中，制造商努力开发具有低滚动摩擦系数的轮胎，以提高燃油效率和改善操控性。此外，在体育运动中，滚动摩擦系数可以显著影响表现。运动员通常依赖于旨在优化滚动摩擦的设备，例如赛车自行车或滑轮鞋。较低的滚动摩擦系数允许更快的速度和更好的机动性。总之，滚动摩擦系数是一个基本概念，影响着生活的各个方面，从交通运输到体育。通过理解影响该系数的因素，我们可以在工程和设计中做出明智的决策，最终导致更高效的系统和改善的性能。随着我们继续创新和探索新技术，滚动摩擦系数的重要性无疑将继续成为我们进步的关键考虑因素。总体而言，掌握滚动摩擦系数的含义及其影响，可以增强我们对运动的理解，并为多个领域的效率提升提供洞见。