free end

简明释义

自由端

英英释义

例句

1.When tying the rope, make sure to leave a long enough free end 自由端 to secure it properly.

在系绳时，确保留出足够长的自由端自由端以便妥善固定。

2.To create a loop, fold the string and hold the free end 自由端 in your hand.

要创建一个环，折叠绳子并将自由端自由端握在手中。

3.The free end 自由端 of the chain should be secured to avoid any accidents.

链条的自由端自由端应固定，以避免任何事故。

4.Ensure that the free end 自由端 of the fabric is tucked in so it doesn't fray.

确保布料的自由端自由端被塞进，以免磨损。

5.The free end 自由端 of the wire should be carefully insulated to prevent any electrical hazards.

电线的自由端自由端应仔细绝缘，以防止任何电气危险。

作文

In the world of physics and engineering, the concept of a free end is crucial in understanding how different systems behave under various forces. A free end refers to a point on a structure or object that is not fixed or constrained, allowing it to move freely. This idea can be observed in many practical applications, such as in the design of bridges, buildings, and even in musical instruments. Understanding the behavior of free ends is essential for ensuring the stability and functionality of these structures.For instance, consider a simple beam supported at both ends. The middle section of this beam is subjected to bending forces when weight is applied. However, if one end of the beam is allowed to move freely, it becomes a free end, which significantly changes how the beam reacts to the load. The presence of a free end can lead to increased deflection and stress concentrations, which engineers must account for in their designs. This understanding helps in preventing structural failures and ensures safety.Moreover, the concept of a free end is not limited to static structures but also applies to dynamic systems. In mechanical systems, for example, a pendulum has a free end where the mass is attached. The motion of the pendulum depends on the gravitational force acting on this free end. If the free end is altered, such as by changing the length of the string or the mass at the end, the entire dynamics of the system will change. This principle is fundamental in designing clocks, amusement park rides, and other devices that rely on pendulum motion.Additionally, in the realm of music, the strings of a guitar or violin have free ends where they vibrate to produce sound. The tension and length of these strings determine the pitch of the notes produced. Musicians often adjust the tension at the free ends of the strings to achieve the desired sound quality. This relationship between the free end and the sound produced illustrates how critical this concept is across various fields.In conclusion, the term free end encapsulates a vital aspect of both physical and theoretical systems. Whether in engineering, physics, or music, understanding the implications of a free end allows for better design and functionality. As we explore more complex systems, the significance of recognizing free ends will only continue to grow. By appreciating this concept, we can enhance our ability to innovate and create solutions that effectively address real-world challenges.

在物理和工程的世界中，自由端的概念对于理解不同系统在各种力作用下的行为至关重要。自由端是指结构或物体上的一个点，该点没有被固定或约束，从而允许其自由移动。这个理念可以在许多实际应用中观察到，例如在桥梁、建筑物甚至乐器的设计中。理解自由端的行为对确保这些结构的稳定性和功能性至关重要。例如，考虑一根两端支撑的简单梁。当施加重量时，梁的中间部分会受到弯曲力。然而，如果梁的一端被允许自由移动，它就成为一个自由端，这显著改变了梁对负载的反应。自由端的存在可能导致更大的挠度和应力集中，这些都是工程师在设计中必须考虑的因素。这种理解有助于防止结构失效，并确保安全。此外，自由端的概念不仅限于静态结构，还适用于动态系统。例如，在机械系统中，摆锤的末端是一个自由端，质量在此处连接。摆锤的运动取决于作用于这个自由端的重力。如果改变自由端，例如通过改变绳子的长度或末端的质量，整个系统的动力学将发生变化。这个原理在设计钟表、游乐园设施和其他依赖摆动运动的装置中是基础。此外，在音乐领域，吉他或小提琴的弦有自由端，它们在此处振动以产生声音。这些弦的张力和长度决定了所产生音符的音高。音乐家经常调整弦的自由端的张力，以达到所需的音质。自由端与产生的声音之间的这种关系说明了这一概念在各个领域的重要性。总之，术语自由端概括了物理和理论系统的一个重要方面。无论是在工程、物理还是音乐中，理解自由端的影响都有助于更好的设计和功能性。随着我们探索更复杂的系统，认识到自由端的重要性只会不断增加。通过欣赏这一概念，我们可以增强创新能力，创造有效解决现实世界挑战的方案。