air resistance

简明释义

空气阻力

英英释义

例句

1.The air resistance affects how quickly a parachute opens.

在降落伞打开的过程中，空气阻力会影响其速度。

2.The design of the car was optimized to reduce air resistance.

这辆车的设计经过优化，以减少空气阻力。

3.When a skydiver jumps from a plane, they experience air resistance as they fall.

当跳伞者从飞机上跳下时，他们会在下落过程中经历空气阻力。

4.Cyclists often wear tight clothing to minimize air resistance during races.

骑自行车的人在比赛中通常穿着紧身衣，以最小化空气阻力。

5.Engineers must consider air resistance when designing aircraft.

工程师在设计飞机时必须考虑空气阻力。

作文

Air resistance, often referred to as drag, is a crucial concept in physics and engineering that describes the forces acting against an object as it moves through the air. Understanding air resistance (空气阻力) is essential for anyone studying aerodynamics, whether in the context of vehicles, sports, or even natural phenomena like falling objects. This force plays a significant role in determining how quickly an object can travel and how efficiently it can move. When an object moves through the air, it displaces air molecules, creating a pressure difference in front of and behind the object. The faster the object moves, the greater the air resistance (空气阻力) it encounters. This is why a streamlined shape, like that of an airplane or a sports car, is designed to minimize drag. By reducing air resistance (空气阻力), these vehicles can achieve higher speeds with less energy consumption.In sports, athletes often consider air resistance (空气阻力) when optimizing their performance. For instance, cyclists wear tight-fitting clothing and use aerodynamic helmets to reduce drag. Similarly, swimmers shave their bodies and use specially designed swimsuits to minimize air resistance (空气阻力) in the water. These small adjustments can lead to significant improvements in speed and efficiency.In nature, air resistance (空气阻力) affects how objects fall. When you drop a feather and a rock simultaneously, the feather flutters down slowly due to the high air resistance (空气阻力) it experiences compared to the rock. This phenomenon illustrates how different shapes and weights interact with air. The feather's large surface area relative to its weight causes it to experience more drag, while the rock, being denser and more streamlined, faces less air resistance (空气阻力) and falls faster.Engineers take air resistance (空气阻力) into account when designing various structures, from buildings to bridges. Wind tunnels are often used to test models under controlled conditions to analyze how air resistance (空气阻力) will affect the structure's stability and safety. By understanding the impact of air resistance (空气阻力), engineers can create designs that withstand strong winds and other environmental factors.In conclusion, air resistance (空气阻力) is a fundamental force that influences a wide range of activities, from sports to engineering. Its effects can be seen in everyday life, and understanding it can lead to better designs, improved performances, and deeper insights into the natural world. As technology advances, the study of air resistance (空气阻力) continues to evolve, providing new opportunities for innovation and exploration in various fields.

空气阻力，通常被称为阻力，是物理学和工程学中的一个关键概念，描述了物体在空气中移动时所遭遇的反作用力。理解空气阻力（air resistance）对任何学习空气动力学的人来说都是至关重要的，无论是在车辆、运动还是自然现象如落体的背景下。这种力量在决定物体能以多快的速度移动以及它能多有效地移动方面起着重要作用。当物体穿过空气移动时，它会排开空气分子，从而在物体前面和后面产生压力差。物体移动得越快，它遭遇的空气阻力（air resistance）就越大。这就是为什么流线型的形状，如飞机或跑车，设计上旨在最小化阻力。通过减少空气阻力（air resistance），这些交通工具可以在消耗更少的能量的情况下达到更高的速度。在体育运动中，运动员经常考虑空气阻力（air resistance）以优化他们的表现。例如，骑自行车的人穿着紧身衣服并使用空气动力学头盔来减少阻力。同样，游泳者剃掉体毛并使用专门设计的泳衣来最小化水中的空气阻力（air resistance）。这些微小的调整可以带来显著的速度和效率提升。在自然界中，空气阻力（air resistance）影响物体的下落。当你同时扔下一个羽毛和一块石头时，由于羽毛遭遇的高空气阻力（air resistance），它缓慢下落，而石头则快速下落。这一现象说明了不同形状和重量如何与空气相互作用。羽毛相对于其重量的较大表面积使其经历更多的阻力，而石头因其密度和流线型，更少受到空气阻力（air resistance）的影响，因此下落更快。工程师在设计各种结构时会考虑空气阻力（air resistance），从建筑物到桥梁。风洞通常用于在受控条件下测试模型，以分析空气阻力（air resistance）将如何影响结构的稳定性和安全性。通过理解空气阻力（air resistance）的影响，工程师可以创建能够承受强风和其他环境因素的设计。总之，空气阻力（air resistance）是一种影响广泛活动的基本力量，从体育到工程。它的影响可以在日常生活中看到，理解它可以导致更好的设计、改善的表现以及对自然世界的更深刻洞察。随着技术的进步，空气阻力（air resistance）的研究持续发展，为各个领域的创新和探索提供了新的机会。