angle of rest

简明释义

休止角

英英释义

例句

1.In geology, the angle of rest is crucial for understanding landslide risks.

在地质学中，静止角对于理解滑坡风险至关重要。

2.The engineer calculated the angle of rest to determine the stability of the slope.

工程师计算了静止角以确定坡度的稳定性。

3.The angle of rest can vary depending on the material's texture and shape.

不同材料的纹理和形状会导致静止角的变化。

4.During the experiment, we measured the angle of rest of various granular materials.

在实验中，我们测量了各种颗粒材料的静止角。

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

在堆叠箱子时，考虑静止角是很重要的，以防止它们翻倒。

作文

The concept of the angle of rest is fundamental in the study of physics, particularly in mechanics and material science. It refers to the steepest angle at which a sloped surface can be inclined without causing an object on it to slide down due to gravity. This angle is influenced by various factors including the nature of the surfaces in contact, the weight of the object, and the frictional forces at play. Understanding the angle of rest is essential not only in theoretical physics but also in practical applications such as engineering, construction, and even everyday activities like stacking objects. In practical terms, if you have a pile of sand, the angle of rest will determine how steeply you can pile the sand before it starts to collapse. For instance, when building sandcastles at the beach, children intuitively learn about this concept as they attempt to create towers that are too steep, only to watch them crumble. The angle of rest provides a visual and tangible lesson in balance and stability. From a scientific perspective, the angle of rest can be calculated using the coefficient of static friction between the two surfaces in contact. For example, if you were to place a block on an inclined plane, the angle of rest can be determined by the formula: tan(θ) = μ, where θ is the angle of rest and μ is the coefficient of static friction. This relationship showcases how the physical properties of materials dictate their behavior under stress. Moreover, the angle of rest has implications in various fields beyond just physics. In geology, for example, understanding the angle of rest helps scientists predict landslides and the stability of slopes. Engineers apply this knowledge to ensure that structures are built on stable foundations, taking into account the maximum angles that materials can withstand without failure. In agriculture, the angle of rest might influence how soil is tilled or how crops are planted on slopes to prevent erosion. In conclusion, the angle of rest is a crucial concept that intersects multiple disciplines. It serves as a reminder of the delicate balance between force and stability. Whether we are stacking blocks, designing buildings, or studying natural phenomena, the principles behind the angle of rest remain relevant. By grasping this concept, we can better understand the world around us and make informed decisions in our daily lives and professional practices.

‘静止角’这一概念在物理学的研究中，尤其是在力学和材料科学中是基础性的。它指的是一个倾斜表面可以倾斜到的最大角度，而不导致其上的物体因重力而滑下。这个角度受到多种因素的影响，包括接触表面的性质、物体的重量以及作用于物体上的摩擦力。理解‘静止角’不仅对理论物理至关重要，而且在工程、建筑甚至日常活动如堆放物体等实际应用中也很重要。从实际角度来看，如果你有一堆沙子，‘静止角’将决定你可以将沙子堆得多陡峭而不开始崩溃。例如，在海滩上建造沙堡时，孩子们会直观地学习到这一概念，因为他们试图创建过于陡峭的塔楼，却只看到它们崩溃。‘静止角’提供了一种平衡和稳定的视觉和具体的教训。从科学的角度来看，‘静止角’可以通过接触表面之间的静摩擦系数来计算。例如，如果你将一个块放在一个倾斜的平面上，可以用公式：tan(θ) = μ来确定‘静止角’，其中θ是‘静止角’，μ是静摩擦系数。这个关系展示了材料的物理特性如何决定它们在压力下的行为。此外，‘静止角’在多个领域中都有影响。在地质学中，理解‘静止角’帮助科学家预测滑坡和坡面的稳定性。工程师应用这一知识确保建筑物建立在稳定的基础上，考虑到材料能够承受的最大角度。在农业中，‘静止角’可能影响土壤的耕作或作物在坡道上的种植，以防止侵蚀。总之，‘静止角’是一个交叉多个学科的重要概念。它提醒我们在力与稳定之间的微妙平衡。无论我们是在堆放积木、设计建筑还是研究自然现象，‘静止角’背后的原理始终相关。通过掌握这一概念，我们可以更好地理解周围的世界，并在日常生活和专业实践中做出明智的决策。