frictional resistance

简明释义

摩擦阻力

英英释义

例句

1.Scientists measured the frictional resistance 摩擦阻力 between different surfaces to improve product design.

科学家测量了不同表面之间的摩擦阻力 frictional resistance，以改善产品设计。

2.The engineer calculated the frictional resistance 摩擦阻力 of the materials to ensure the bridge would be stable.

工程师计算了材料的摩擦阻力 frictional resistance，以确保桥梁的稳定性。

3.In fluid dynamics, understanding frictional resistance 摩擦阻力 is crucial for optimizing pipeline flow.

在流体动力学中，理解摩擦阻力 frictional resistance 对于优化管道流动至关重要。

4.The frictional resistance 摩擦阻力 in the bearings caused the machinery to operate less efficiently.

轴承中的摩擦阻力 frictional resistance 导致机械运行效率降低。

5.The car's performance was affected by the frictional resistance 摩擦阻力 of the tires on the road.

汽车的性能受到轮胎与路面之间的摩擦阻力 frictional resistance 的影响。

作文

Friction is a force that opposes the relative motion of two surfaces in contact. It plays a crucial role in our daily lives, affecting everything from walking to driving. One of the most significant concepts related to friction is frictional resistance, which refers to the opposing force that resists the motion of an object when it slides over another surface. This phenomenon can be observed in various scenarios, such as when a car moves on a road or when a person pushes a heavy box across the floor.Understanding frictional resistance is vital for several reasons. First, it helps engineers design safer and more efficient vehicles. For instance, when designing tires, engineers must consider how frictional resistance affects the car's ability to grip the road. If the resistance is too low, the car may skid; if it is too high, the car may consume more fuel due to the extra energy required to overcome this resistance.Moreover, frictional resistance is not only relevant in the automotive industry but also in sports. Athletes often rely on specific footwear designed to optimize frictional resistance with the playing surface. For example, runners wear shoes with treads that enhance grip, allowing them to accelerate without slipping. Similarly, in sports like skiing, understanding and manipulating frictional resistance can significantly affect performance. Skiers aim to find the right balance between speed and control, which is influenced by the snow conditions and the type of equipment used.In addition to its applications in engineering and sports, frictional resistance is also a critical factor in everyday activities. When we walk, our shoes create frictional resistance against the ground, enabling us to push off and maintain balance. Without adequate frictional resistance, we would struggle to move effectively, leading to slips and falls. This illustrates how essential it is to have an understanding of this concept in our daily lives.Furthermore, frictional resistance can be a double-edged sword. While it is necessary for movement and stability, excessive friction can lead to wear and tear on materials. For example, machinery parts experience frictional resistance during operation, which can cause overheating and damage over time. Engineers must therefore find ways to minimize unnecessary frictional resistance through lubrication and material selection, ensuring that machines operate smoothly and efficiently.In conclusion, the concept of frictional resistance is fundamental in various fields, including engineering, sports, and everyday life. By understanding how frictional resistance works and its implications, we can improve the design of vehicles, enhance athletic performance, and ensure safety in our daily activities. Whether we are aware of it or not, frictional resistance influences many aspects of our lives, making it an essential topic worthy of further exploration and understanding.

摩擦是一种抵消两个接触表面相对运动的力。它在我们的日常生活中发挥着至关重要的作用，影响着从行走到驾驶的方方面面。与摩擦相关的一个重要概念是摩擦阻力，它指的是当物体在另一个表面上滑动时抵抗其运动的反向力。这种现象可以在各种场景中观察到，例如，当汽车在道路上行驶或当一个人推动一个沉重的箱子时。理解摩擦阻力是非常重要的，原因有几个。首先，它帮助工程师设计更安全、更高效的车辆。例如，在设计轮胎时，工程师必须考虑摩擦阻力如何影响汽车抓住道路的能力。如果阻力太低，汽车可能会打滑；如果阻力太高，汽车可能由于克服这种阻力所需的额外能量而消耗更多燃料。此外，摩擦阻力不仅与汽车工业相关，还与体育运动密切相关。运动员通常依赖特定的鞋类设计，以优化与比赛场地的摩擦阻力。例如，跑步者穿着具有增强抓地力的鞋子，使他们能够加速而不打滑。同样，在滑雪等运动中，理解和操控摩擦阻力可以显著影响表现。滑雪者旨在找到速度与控制之间的最佳平衡，这受到雪况和使用设备类型的影响。除了在工程和体育中的应用外，摩擦阻力也是日常活动中的一个关键因素。当我们行走时，我们的鞋子与地面之间产生的摩擦阻力使我们能够推离地面并保持平衡。如果没有足够的摩擦阻力，我们将难以有效移动，导致滑倒和摔跤。这说明了理解这一概念在我们日常生活中的重要性。此外，摩擦阻力可能是把双刃剑。虽然它对于运动和稳定性是必要的，但过度的摩擦可能导致材料的磨损。例如，机器部件在运行过程中经历摩擦阻力，这可能导致过热和损坏。因此，工程师必须找到通过润滑和材料选择来最小化不必要的摩擦阻力的方法，以确保机器平稳高效地运行。总之，摩擦阻力的概念在工程、体育和日常生活等多个领域都是基础性的。通过理解摩擦阻力的工作原理及其影响，我们可以改善车辆设计、提升运动表现，并确保日常活动的安全。无论我们是否意识到，摩擦阻力都影响着我们生活的许多方面，使其成为一个值得进一步探索和理解的重要主题。