frictional resistance
简明释义
摩擦阻力
英英释义
例句
1.A smoother surface can significantly reduce frictional resistance 摩擦阻力 in mechanical systems.
更光滑的表面可以显著减少机械系统中的摩擦阻力 frictional resistance。
2.In fluid dynamics, reducing frictional resistance 摩擦阻力 is crucial for improving flow rates.
在流体动力学中,减少摩擦阻力 frictional resistance对于提高流量至关重要。
3.The engineer calculated the frictional resistance 摩擦阻力 of the material to ensure the design would be efficient.
工程师计算了材料的摩擦阻力 frictional resistance以确保设计的效率。
4.Testing showed that the new lubricant decreased frictional resistance 摩擦阻力 in the engine.
测试显示,新润滑剂减少了发动机中的摩擦阻力 frictional resistance。
5.The frictional resistance 摩擦阻力 encountered by the vehicle affects its fuel efficiency.
车辆遇到的摩擦阻力 frictional resistance会影响其燃油效率。
作文
Friction plays a crucial role in our daily lives, often acting as both a friend and a foe. One of the most important concepts related to friction is frictional resistance, which refers to the opposition that one surface or object encounters when moving over another. This phenomenon can be observed in various scenarios, from the simple act of walking to the complex mechanics of machinery. Understanding frictional resistance can help us improve efficiency and performance in countless applications.When we walk, our feet push against the ground, and it is the frictional resistance between our shoes and the surface that allows us to move forward without slipping. If the ground is icy or wet, the frictional resistance decreases, making it harder to walk safely. This illustrates how vital frictional resistance is for our everyday activities. Without it, we would struggle to maintain balance and control over our movements.In engineering, frictional resistance is a critical factor to consider when designing machines and vehicles. For instance, in the automotive industry, engineers must account for the frictional resistance between tires and the road. High frictional resistance can lead to better traction, which is essential for safety and performance, especially in adverse weather conditions. However, too much frictional resistance can result in increased fuel consumption and wear on the tires, which can be costly over time.The concept of frictional resistance extends beyond just physical movement; it also applies to various fields such as physics, chemistry, and even finance. In physics, frictional resistance is described mathematically, allowing scientists to predict how objects will behave under different conditions. In chemistry, understanding the frictional resistance between molecules can influence reaction rates and product yields.Moreover, in financial markets, frictional resistance can refer to transaction costs and barriers that affect trading efficiency. High transaction costs can deter investors and limit market participation, leading to inefficiencies. Thus, recognizing and mitigating frictional resistance in these contexts can lead to better outcomes.To reduce frictional resistance in practical applications, various methods can be employed. Lubricants are commonly used to decrease frictional resistance in machinery, allowing parts to move more smoothly and efficiently. In sports, athletes often choose specialized footwear designed to optimize frictional resistance for better performance, adapting to different surfaces like grass, track, or court.In conclusion, frictional resistance is a multifaceted concept that impacts numerous aspects of life and technology. From enhancing our ability to walk and run to influencing the design of vehicles and machinery, understanding frictional resistance is essential. By managing and optimizing this force, we can improve safety, efficiency, and performance across various domains. As we continue to innovate and develop new technologies, the significance of frictional resistance will undoubtedly remain at the forefront of our considerations.
摩擦在我们的日常生活中扮演着至关重要的角色,往往既是朋友也是敌人。与摩擦相关的一个重要概念是摩擦阻力,指的是一个表面或物体在移动时遇到的对抗力。这种现象可以在各种场景中观察到,从简单的走路到复杂的机械运作。理解摩擦阻力可以帮助我们在无数应用中提高效率和性能。当我们走路时,脚会推向地面,而正是鞋子与地面之间的摩擦阻力使我们能够向前移动而不滑倒。如果地面是冰冷或潮湿的,摩擦阻力就会降低,使得安全行走变得更加困难。这说明了摩擦阻力在我们日常活动中的重要性。没有它,我们将难以保持平衡和控制我们的动作。在工程学中,摩擦阻力是设计机器和车辆时必须考虑的关键因素。例如,在汽车工业中,工程师必须考虑轮胎与道路之间的摩擦阻力。高摩擦阻力可以带来更好的牵引力,这对于安全和性能至关重要,尤其是在恶劣天气条件下。然而,过高的摩擦阻力可能导致燃料消耗增加和轮胎磨损,这在长时间内会造成高昂的费用。摩擦阻力的概念不仅限于物理运动;它还适用于物理学、化学甚至金融等多个领域。在物理学中,摩擦阻力通过数学描述,使科学家能够预测物体在不同条件下的行为。在化学中,理解分子之间的摩擦阻力可以影响反应速率和产物产量。此外,在金融市场中,摩擦阻力可以指影响交易效率的交易成本和障碍。高交易成本可能会阻碍投资者并限制市场参与,导致低效。因此,识别和减轻这些领域中的摩擦阻力可以带来更好的结果。为了减少实际应用中的摩擦阻力,可以采用多种方法。润滑剂通常用于减少机械中的摩擦阻力,使部件能够更顺畅、高效地移动。在运动中,运动员通常选择专门设计的鞋子,以优化摩擦阻力,以便在草地、跑道或球场等不同表面上获得更好的表现。总之,摩擦阻力是一个多方面的概念,影响着生活和技术的诸多方面。从增强我们行走和奔跑的能力到影响车辆和机器的设计,理解摩擦阻力至关重要。通过管理和优化这种力量,我们可以在各个领域提高安全性、效率和性能。随着我们继续创新和开发新技术,摩擦阻力的重要性无疑将始终处于我们考虑的前沿。
相关单词