rolling friction

简明释义

滚动摩擦

英英释义

Rolling friction is the resistance encountered when an object rolls over a surface, which is typically less than sliding friction due to the deformation of the rolling object and the surface.

滚动摩擦是物体在表面上滚动时遇到的阻力,通常低于滑动摩擦,因为滚动物体和表面会发生变形。

例句

1.In a lab experiment, we measured how different surfaces affect rolling friction 滚动摩擦 on a toy car.

在实验室实验中,我们测量了不同表面对玩具车的滚动摩擦 rolling friction的影响。

2.A smooth surface can significantly decrease rolling friction 滚动摩擦, making it easier for objects to move.

光滑的表面可以显著降低滚动摩擦 rolling friction,使物体更容易移动。

3.Engineers are studying rolling friction 滚动摩擦 to improve the fuel efficiency of vehicles.

工程师们正在研究滚动摩擦 rolling friction以提高车辆的燃油效率。

4.The design of the new bicycle tires aims to reduce rolling friction 滚动摩擦 for better efficiency.

新自行车轮胎的设计旨在减少滚动摩擦 rolling friction,以提高效率。

5.The rolling friction 滚动摩擦 between the train wheels and the tracks is crucial for safe travel.

火车轮子与轨道之间的滚动摩擦 rolling friction对安全旅行至关重要。

作文

Understanding the concept of rolling friction is essential in both physics and engineering. Rolling friction refers to the resistance that occurs when an object rolls over a surface. It is different from sliding friction, which occurs when two surfaces slide against each other. The factors that influence rolling friction include the materials involved, the shape of the rolling object, and the surface texture of the ground it rolls on. This phenomenon plays a significant role in various applications, from vehicles to machinery. For instance, when a car moves, its tires experience rolling friction with the road. The design of the tire, including its tread pattern and rubber composition, is crucial in minimizing this friction to enhance fuel efficiency and performance. Engineers often conduct experiments to measure rolling friction to optimize tire designs. The goal is to achieve a balance where the tires can grip the road well enough for safety without excessive energy loss due to friction. In addition to vehicles, rolling friction is also important in the design of various types of machinery. For example, conveyor belts are designed to minimize rolling friction to ensure smooth operation and reduce wear and tear on components. The materials used for wheels and axles are selected based on their rolling friction characteristics to ensure efficiency and longevity. Understanding rolling friction also has implications in sports. In activities such as bowling or curling, athletes must consider how the balls or stones roll on the playing surface. The amount of rolling friction affects the distance and direction of the roll. Players often practice to understand how to manipulate rolling friction to achieve the desired outcomes in their games. Furthermore, rolling friction can be observed in nature as well. For instance, the movement of boulders down a hill involves rolling friction, which can affect how far and fast they travel. Understanding this concept helps scientists predict geological phenomena and understand the dynamics of earth movements. In conclusion, rolling friction is a fundamental concept that influences many aspects of our daily lives and technological advancements. From improving vehicle performance to optimizing industrial processes and enhancing sports techniques, the understanding of rolling friction is vital. As we continue to innovate and develop new technologies, recognizing the importance of rolling friction will lead to more efficient designs and better performance across various fields. Thus, mastering this concept is not only beneficial for students and professionals in physics and engineering but also for anyone interested in the mechanics of motion in the world around us.

理解滚动摩擦的概念在物理学和工程学中至关重要。滚动摩擦是指当一个物体在表面上滚动时产生的阻力。这与滑动摩擦不同,后者发生在两个表面相互滑动时。影响滚动摩擦的因素包括所涉及的材料、滚动物体的形状以及它所滚动的地面的表面纹理。这种现象在从车辆到机械设备的各种应用中都起着重要作用。例如,当汽车行驶时,其轮胎与道路之间会产生滚动摩擦。轮胎的设计,包括花纹和橡胶成分,对于减少这种摩擦以提高燃油效率和性能至关重要。工程师通常会进行实验来测量滚动摩擦,以优化轮胎设计。目标是实现一种平衡,使轮胎能够足够紧密地抓住路面以确保安全,同时不会因摩擦造成过多的能量损失。除了车辆,滚动摩擦在各种类型的机械设计中也很重要。例如,输送带旨在最小化滚动摩擦,以确保平稳运行并减少部件的磨损。用于轮子和轴的材料根据其滚动摩擦特性进行选择,以确保效率和耐久性。理解滚动摩擦在体育运动中也有重要意义。在保龄球或冰壶等活动中,运动员必须考虑球或石头在比赛表面上的滚动方式。滚动摩擦的多少会影响滚动的距离和方向。选手们常常进行练习,以了解如何操控滚动摩擦来实现他们在比赛中的预期结果。此外,滚动摩擦在自然界中也可以观察到。例如,巨石沿山坡滚动的过程涉及滚动摩擦,这可能会影响它们的移动距离和速度。理解这一概念有助于科学家预测地质现象并理解地球运动的动态。总之,滚动摩擦是一个基本概念,影响着我们日常生活和技术进步的许多方面。从改善车辆性能到优化工业流程,再到增强运动技巧,对滚动摩擦的理解都是至关重要的。随着我们继续创新和开发新技术,认识到滚动摩擦的重要性将导致更高效的设计和更好的性能。因此,掌握这一概念不仅对物理学和工程学的学生和专业人士有益,也对任何对周围世界运动机制感兴趣的人都有帮助。

相关单词

rolling

rolling详解:怎么读、什么意思、用法

friction

friction详解:怎么读、什么意思、用法