shearing force

简明释义

剪力

英英释义

例句

1.When cutting materials, the shearing force 剪切力 plays a critical role in determining the cutting efficiency.

在切割材料时，剪切力在决定切割效率方面起着关键作用。

2.The engineer calculated the maximum shearing force 剪切力 that the beam could withstand before failure.

工程师计算了梁在失效前能够承受的最大剪切力。

3.The structural integrity of the building depends on resisting shearing force 剪切力 during an earthquake.

建筑物的结构完整性依赖于抵抗地震期间的剪切力。

4.The bridge design must account for the shearing force 剪切力 caused by wind and traffic loads.

桥梁设计必须考虑风和交通荷载引起的剪切力。

5.In this experiment, we observed how the shearing force 剪切力 affects the material's deformation.

在这个实验中，我们观察了剪切力对材料变形的影响。

作文

In the realm of physics and engineering, understanding forces is crucial for designing stable structures and machines. One such force that plays a significant role in various applications is the shearing force. The term shearing force refers to a force that acts parallel to the surface of an object, causing layers of material to slide past each other. This phenomenon can be observed in everyday life, from the simple act of cutting paper with scissors to the complex operations in structural engineering. When we consider how materials behave under different types of stress, it becomes clear that shearing force is essential for analyzing the integrity of structures. For instance, when a beam is subjected to loads, the distribution of these loads can create shearing forces at various points along the beam. Understanding these forces helps engineers ensure that the beam can withstand the applied loads without failing. An example of shearing force in action can be seen in the design of bridges. Engineers must account for the shearing forces that occur due to the weight of vehicles passing over the bridge. If the shearing forces exceed the material's strength, it could lead to catastrophic failure. Therefore, calculating these forces accurately is vital for safety and durability. Moreover, the concept of shearing force extends beyond static structures. In dynamic systems, such as machinery, shearing forces can affect the performance and longevity of moving parts. For example, in a gearbox, the gears experience shearing forces as they mesh together. Proper lubrication and material selection are essential to mitigate wear caused by these forces. In conclusion, the shearing force is a fundamental concept that engineers and physicists must grasp to design safe and effective structures and systems. Whether in construction or machinery, recognizing how shearing forces operate allows for better predictions of material behavior and enhances the overall reliability of engineering designs. As we continue to innovate and develop new technologies, a thorough understanding of shearing forces will remain a cornerstone of engineering principles, ensuring that our structures and machines can withstand the challenges they face in the real world.

在物理和工程领域，理解力是设计稳定结构和机器的关键。一个在各种应用中起着重要作用的力量就是剪切力。术语剪切力指的是一种平行于物体表面作用的力，导致材料层彼此滑动。这种现象可以在日常生活中观察到，从用剪刀剪纸的简单行为到结构工程中的复杂操作。当我们考虑材料在不同类型的应力下的表现时，很明显，剪切力对于分析结构的完整性至关重要。例如，当梁受到负载时，这些负载的分布可能会在梁的各个点产生剪切力。理解这些力帮助工程师确保梁能够承受施加的负载而不发生破坏。在桥梁设计中，可以看到剪切力的一个例子。工程师必须考虑由于车辆通过桥梁而产生的剪切力。如果剪切力超过材料的强度，可能会导致灾难性的失败。因此，准确计算这些力对安全性和耐久性至关重要。此外，剪切力的概念不仅限于静态结构。在动态系统中，例如机械，剪切力会影响运动部件的性能和寿命。例如，在齿轮箱中，齿轮在啮合时会经历剪切力。适当的润滑和材料选择对于减轻这些力造成的磨损至关重要。总之，剪切力是工程师和物理学家必须掌握的基本概念，以设计安全有效的结构和系统。无论是在建筑还是机械中，认识到剪切力的运作方式允许更好地预测材料行为，并增强工程设计的整体可靠性。随着我们继续创新和开发新技术，对剪切力的透彻理解将始终是工程原则的基石，确保我们的结构和机器能够应对现实世界中的挑战。