angle of rest

简明释义

休止角

英英释义

例句

1.During the physics experiment, we measured the angle of rest for different materials on the inclined plane.

在物理实验中，我们测量了不同材料在斜面上的静止角。

2.The angle of rest is crucial for designing safe slopes in civil engineering projects.

在土木工程项目中，静止角对于设计安全坡度至关重要。

3.The geologist studied the angle of rest of the sand to assess the stability of the dunes.

地质学家研究了沙子的静止角以评估沙丘的稳定性。

4.The engineer calculated the angle of rest to determine how steep the slope could be without causing a landslide.

工程师计算了静止角以确定坡度可以有多陡而不会导致山体滑坡。

5.When stacking boxes, it's important to know the angle of rest to prevent them from toppling over.

在堆放箱子时，了解静止角是很重要的，以防它们倾倒。

作文

The concept of the angle of rest is fundamental in the study of physics and engineering, particularly when dealing with materials that can be in a state of equilibrium. The angle of rest refers to the maximum angle at which a material can remain stable without sliding down an inclined plane under the influence of gravity. This principle is not only applicable in theoretical scenarios but also has practical implications in various fields such as construction, geology, and even everyday life. Understanding the angle of rest can help us make informed decisions about how to stack objects, build structures, or even arrange items in our homes.To illustrate this concept, consider a pile of sand on a flat surface. When you start to create a slope with the sand, there comes a point where the sand will no longer stay in place if the angle becomes too steep. This steepness is what we refer to as the angle of rest. It’s determined by several factors, including the grain size of the sand, moisture content, and the presence of other materials. In essence, the angle of rest is a reflection of the frictional forces acting between the particles of the material, which must overcome the gravitational pull trying to pull them down the slope.In engineering applications, understanding the angle of rest is crucial for designing safe structures. For instance, when constructing a retaining wall, engineers must calculate the angle of rest of the soil behind the wall to ensure it can withstand the pressure exerted by the soil without collapsing. If the wall is built at an inappropriate angle or height, it could lead to catastrophic failures, resulting in loss of property and even lives.Moreover, the angle of rest plays an important role in landslide prevention. Geologists study the angle of rest of various soil types to predict the likelihood of landslides in hilly or mountainous regions. By understanding how different materials behave under various conditions, they can develop strategies to mitigate risks, such as reinforcing slopes or implementing drainage systems to reduce water saturation.In our daily lives, we often encounter situations where the angle of rest comes into play. For example, when stacking books or boxes, we instinctively place them at an angle that ensures they remain stable. If we were to stack them too steeply, they would likely topple over due to exceeding their angle of rest. This simple observation highlights how deeply ingrained the principles of physics are in our everyday activities.In conclusion, the angle of rest is a vital concept that bridges the gap between theory and practice across various disciplines. Whether we are designing buildings, studying natural phenomena, or simply organizing our living spaces, understanding the angle of rest allows us to create stability and safety in our environments. As we continue to explore and apply the principles of physics, recognizing the significance of the angle of rest will undoubtedly enhance our ability to navigate the complexities of the world around us.

“静止角”这一概念在物理学和工程学的研究中至关重要，特别是在处理可以处于平衡状态的材料时。“静止角”指的是在重力作用下，材料在倾斜面上保持稳定而不滑动的最大角度。这个原理不仅适用于理论场景，而且在建筑、地质学甚至日常生活等各个领域都有实际应用。理解“静止角”可以帮助我们在堆放物体、建造结构或甚至在家中安排物品时做出明智的决策。为了说明这一概念，可以考虑一堆沙子放在平坦的表面上。当你开始用沙子创建一个坡度时，会有一个点，当角度变得过陡时，沙子将不再保持原位。这种陡峭度就是我们所说的“静止角”。它由几个因素决定，包括沙子的颗粒大小、湿度和其他材料的存在。实际上，“静止角”反映了材料颗粒之间的摩擦力，这种摩擦力必须克服试图将其向下拉的重力。在工程应用中，理解“静止角”对于设计安全结构至关重要。例如，在建造挡土墙时，工程师必须计算挡土墙后面的土壤的“静止角”，以确保它能够承受土壤施加的压力而不会倒塌。如果墙壁的建造角度或高度不合适，可能会导致灾难性的失败，造成财产损失甚至生命损失。此外，“静止角”在防止滑坡中也起着重要作用。地质学家研究各种土壤类型的“静止角”，以预测在丘陵或山区发生滑坡的可能性。通过了解不同材料在各种条件下的行为，他们可以制定减轻风险的策略，例如加固坡度或实施排水系统以减少水饱和。在我们的日常生活中，我们经常遇到“静止角”发挥作用的情况。例如，在堆叠书籍或箱子时，我们本能地将它们放置在确保其保持稳定的角度。如果我们将它们堆得过陡，它们可能会因为超过了“静止角”而倾倒。这一简单的观察突显了物理学原理在我们日常活动中的深刻影响。总之，“静止角”是一个重要的概念，它在各个学科之间架起了理论与实践的桥梁。无论我们是在设计建筑、研究自然现象，还是仅仅在组织生活空间，理解“静止角”都使我们能够在环境中创造稳定和安全。随着我们继续探索和应用物理学原理，认识到“静止角”的重要性无疑将增强我们应对周围世界复杂性的能力。