rolling friction
简明释义
滚动摩擦
英英释义
Rolling friction refers to the resistance that occurs when an object rolls over a surface, which is generally less than sliding friction. | 滚动摩擦是指物体在表面上滚动时所产生的阻力,通常小于滑动摩擦。 |
例句
1.In sports cars, reducing rolling friction 滚动摩擦 is crucial for achieving higher speeds.
在跑车中,减少滚动摩擦 滚动摩擦对于达到更高速度至关重要。
2.Engineers are studying how rolling friction 滚动摩擦 affects the efficiency of trains on different tracks.
工程师们正在研究滚动摩擦 滚动摩擦如何影响火车在不同轨道上的效率。
3.The physics experiment demonstrated how rolling friction 滚动摩擦 varies with different surfaces.
物理实验演示了不同表面如何影响滚动摩擦 滚动摩擦。
4.To improve fuel efficiency, manufacturers focus on reducing rolling friction 滚动摩擦 in vehicle tires.
为了提高燃油效率,制造商专注于减少车辆轮胎中的滚动摩擦 滚动摩擦。
5.The design of the new bicycle tires minimizes rolling friction 滚动摩擦, allowing for a smoother ride.
新自行车轮胎的设计减少了滚动摩擦 滚动摩擦,使骑行更加顺畅。
作文
Rolling friction, also known as rolling resistance, is a crucial concept in the field of physics and engineering. It refers to the resistance that occurs when an object rolls over a surface. This type of friction is different from static or kinetic friction, which occurs when an object is either stationary or sliding. Understanding rolling friction (滚动摩擦) is essential for various applications, including transportation, machinery, and even sports. One of the most common examples of rolling friction (滚动摩擦) can be observed in vehicles. When a car moves, its tires roll on the road, and the interaction between the tire and the surface generates rolling friction (滚动摩擦). This friction is necessary because it allows the tires to grip the road, enabling acceleration, deceleration, and turning. Without sufficient rolling friction (滚动摩擦), vehicles would skid and lose control, leading to dangerous situations.The amount of rolling friction (滚动摩擦) depends on several factors, including the materials involved, the surface texture, and the weight of the object. For instance, a rubber tire on asphalt will have a different rolling friction (滚动摩擦) coefficient compared to a metal ball rolling on a smooth surface. Engineers often conduct experiments to determine the optimal materials and designs that minimize rolling friction (滚动摩擦) while maintaining safety and performance.In addition to vehicles, rolling friction (滚动摩擦) plays a significant role in machinery. Many machines utilize wheels, rollers, or bearings to reduce friction and increase efficiency. For example, conveyor belts rely on rolling friction (滚动摩擦) to transport goods smoothly from one point to another. By understanding the principles of rolling friction (滚动摩擦), engineers can design more efficient systems that consume less energy and operate more effectively.Sports equipment also takes advantage of rolling friction (滚动摩擦). In activities like bowling or curling, players must consider how the balls or stones will interact with the playing surface. The right amount of rolling friction (滚动摩擦) is necessary to achieve the desired speed and trajectory. Athletes and coaches study these dynamics to improve performance and strategy.Moreover, minimizing rolling friction (滚动摩擦) is essential for energy efficiency. In the context of climate change and sustainability, reducing the energy lost to friction in vehicles and machinery can lead to lower fuel consumption and emissions. Innovations such as low-resistance tires and advanced bearing designs are developed to address these challenges, demonstrating the practical importance of understanding rolling friction (滚动摩擦). In conclusion, rolling friction (滚动摩擦) is a fundamental aspect of motion that impacts various fields, from transportation to sports. By comprehending the factors that influence rolling friction (滚动摩擦), we can enhance safety, efficiency, and performance in everyday applications. Whether you are driving a car, operating machinery, or playing sports, the principles of rolling friction (滚动摩擦) are at work, shaping our experiences and interactions with the world around us.
滚动摩擦,也称为滚动阻力,是物理和工程领域中的一个重要概念。它指的是当物体在表面上滚动时所产生的阻力。这种摩擦与静摩擦或动摩擦不同,后者发生在物体静止或滑动时。理解滚动摩擦(rolling friction)对于运输、机械甚至体育等各种应用至关重要。最常见的滚动摩擦(rolling friction)例子可以在车辆中观察到。当汽车移动时,它的轮胎在路面上滚动,轮胎与表面之间的相互作用产生了滚动摩擦(rolling friction)。这种摩擦是必要的,因为它允许轮胎抓住路面,从而实现加速、减速和转向。如果没有足够的滚动摩擦(rolling friction),车辆将会打滑并失去控制,导致危险的情况。滚动摩擦(rolling friction)的大小取决于多个因素,包括涉及的材料、表面纹理和物体的重量。例如,橡胶轮胎在沥青上的滚动摩擦(rolling friction)系数与金属球在光滑表面上滚动的情况会有所不同。工程师通常会进行实验,以确定最佳材料和设计,最小化滚动摩擦(rolling friction),同时保持安全性和性能。除了车辆之外,滚动摩擦(rolling friction)在机械中也起着重要作用。许多机器利用轮子、滚轮或轴承来减少摩擦,提高效率。例如,传送带依赖于滚动摩擦(rolling friction)将货物平稳地从一个点运输到另一个点。通过理解滚动摩擦(rolling friction)的原理,工程师可以设计出更高效的系统,消耗更少的能源并更有效地运行。体育器材也利用了滚动摩擦(rolling friction)。在保龄球或冰壶等活动中,运动员必须考虑球或石头与比赛表面的相互作用。适当的滚动摩擦(rolling friction)是实现所需速度和轨迹的必要条件。运动员和教练研究这些动态,以提高表现和策略。此外,最小化滚动摩擦(rolling friction)对能源效率至关重要。在气候变化和可持续性的背景下,减少车辆和机械中因摩擦而损失的能量可以降低燃料消耗和排放。低阻力轮胎和先进的轴承设计等创新正在开发,以应对这些挑战,展示了理解滚动摩擦(rolling friction)的实际重要性。总之,滚动摩擦(rolling friction)是运动的基本方面,影响着各个领域,从运输到体育。通过理解影响滚动摩擦(rolling friction)的因素,我们可以提高日常应用中的安全性、效率和性能。无论你是在驾驶汽车、操作机械还是参加体育运动,滚动摩擦(rolling friction)的原理都在发挥作用,塑造着我们与周围世界的体验和互动。
相关单词