frictional resistance
简明释义
摩擦阻力
英英释义
Frictional resistance refers to the force that opposes the motion of an object due to the contact between its surface and another surface. | 摩擦阻力是指由于物体表面与另一个表面接触而反对物体运动的力。 |
例句
1.The frictional resistance 摩擦阻力 of the tires affects the vehicle's acceleration and fuel efficiency.
轮胎的摩擦阻力 frictional resistance影响车辆的加速和燃油效率。
2.Reducing the frictional resistance 摩擦阻力 in this mechanism will improve its overall performance.
减少该机制中的摩擦阻力 frictional resistance将提高其整体性能。
3.The engineer calculated the frictional resistance 摩擦阻力 of the materials to ensure the design was efficient.
工程师计算了材料的摩擦阻力 frictional resistance以确保设计的高效性。
4.During the simulation, we observed how frictional resistance 摩擦阻力 influences the flow of liquids.
在模拟过程中,我们观察到摩擦阻力 frictional resistance如何影响液体的流动。
5.In the lab, we measured the frictional resistance 摩擦阻力 of different surfaces to determine which was best for our project.
在实验室中,我们测量了不同表面的摩擦阻力 frictional resistance以确定哪个最适合我们的项目。
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 the performance of machines. One key aspect of friction is its contribution to what is known as frictional resistance. This term refers to the resistance encountered when an object moves through a medium, such as air or water, or when it slides across a surface. Understanding frictional resistance is essential for various applications, including engineering, physics, and even sports. In engineering, frictional resistance is a critical factor to consider when designing vehicles, machinery, and structures. For instance, when engineers design cars, they must account for the frictional resistance between the tires and the road. This resistance affects fuel efficiency, speed, and overall performance. A car with high frictional resistance will consume more fuel and may struggle to reach higher speeds compared to a vehicle designed to minimize this resistance. Therefore, engineers often use materials and designs that reduce frictional resistance, leading to better performance and efficiency. In the realm of physics, frictional resistance is integral to understanding motion. According to Newton's laws of motion, an object in motion will remain in motion unless acted upon by an external force. In many cases, frictional resistance serves as that external force, slowing down or stopping moving objects. For example, when a hockey puck slides across the ice, it eventually comes to a halt due to the frictional resistance between the puck and the ice surface. By studying these principles, physicists can predict how different materials will interact and how forces will affect movement. Sports also provide a practical application of frictional resistance. Athletes often seek to optimize their performance by understanding how frictional resistance impacts their movements. For instance, runners may choose specific types of shoes that either increase or decrease frictional resistance depending on the surface they are running on. On a track, less frictional resistance can lead to faster times, while on a trail, more grip might be necessary to prevent slipping. Coaches and athletes analyze these factors carefully to gain a competitive edge. Moreover, frictional resistance is not limited to physical interactions; it also has implications in various scientific fields. In fluid dynamics, for instance, frictional resistance can affect the flow of liquids and gases. Engineers must consider this resistance when designing pipelines, aircraft, and even ships. The efficiency of these systems can be significantly impacted by how well they manage frictional resistance. In conclusion, frictional resistance is a fundamental concept that influences many aspects of our lives, from the design of everyday objects to the performance of athletes. By understanding and managing frictional resistance, we can enhance efficiency, improve safety, and optimize performance in various fields. Whether in engineering, physics, or sports, the principles surrounding frictional resistance continue to be an essential area of study and application.
摩擦阻力是一个影响我们日常生活中许多方面的基本概念。从工程设计到运动表现,理解和管理摩擦阻力可以提高效率、改善安全性并优化性能。无论是在工程、物理学还是体育领域,围绕摩擦阻力的原理仍然是一个重要的研究和应用领域。
相关单词