angle of external friction

简明释义

外摩擦角

英英释义

例句

1.To improve the design, we need to measure the angle of external friction 外摩擦角 of the materials used.

为了改善设计，我们需要测量所用材料的外摩擦角 angle of external friction。

2.In soil mechanics, understanding the angle of external friction 外摩擦角 is crucial for predicting landslide risks.

在土力学中，了解外摩擦角 angle of external friction对预测滑坡风险至关重要。

3.The angle of external friction 外摩擦角 is a key factor in determining the slope stability of hillsides.

在确定山坡稳定性时，外摩擦角 angle of external friction是一个关键因素。

4.The construction team needs to calculate the angle of external friction 外摩擦角 to ensure the stability of the retaining wall.

施工团队需要计算外摩擦角 angle of external friction以确保挡土墙的稳定性。

5.The engineer explained how the angle of external friction 外摩擦角 affects the load-bearing capacity of the foundation.

工程师解释了外摩擦角 angle of external friction如何影响基础的承载能力。

作文

The study of mechanics often involves understanding the various forces that act upon objects. One crucial concept in this field is the angle of external friction, which refers to the angle formed between the normal force and the resultant force acting on an object resting on a surface. This angle plays a significant role in determining how much force is required to move an object and how it interacts with its surroundings. In practical applications, the angle of external friction is essential for engineers and designers when creating structures, vehicles, and machinery. To grasp the importance of the angle of external friction, consider a simple example of a box being pushed across a floor. The force applied to the box must overcome both the weight of the box and the friction between the box and the floor. The frictional force is influenced by the materials in contact and the angle of external friction, which dictates how easily the box can be moved. If the angle is steep, more force is needed to initiate movement; if it is shallow, the box slides more easily. In engineering, understanding the angle of external friction helps in designing safe and efficient systems. For instance, in the construction of roads and highways, the angle of external friction is considered to ensure vehicles can safely navigate turns without skidding. Similarly, in the design of roller coasters, engineers must account for this angle to ensure the safety of riders as they experience rapid changes in speed and direction. Moreover, the angle of external friction also has implications in the field of material science. Different materials exhibit varying levels of friction, and understanding these properties allows scientists to develop better materials for specific applications, such as tires that grip the road effectively or surfaces that minimize wear and tear. In conclusion, the angle of external friction is a fundamental concept in mechanics that influences how objects interact with each other and their environment. Its applications span across various fields, from engineering to material science, highlighting the importance of understanding friction in real-world scenarios. By mastering this concept, students and professionals alike can improve their problem-solving skills and contribute to advancements in technology and safety. Ultimately, the angle of external friction is not just a theoretical idea but a practical consideration that shapes our daily lives and the world around us.

力学研究中，理解作用于物体的各种力是至关重要的。其中一个关键概念是外摩擦角，它指的是物体在表面上静止时，法向力与作用在物体上的合力之间形成的角度。这个角度在确定移动物体所需的力以及物体如何与周围环境相互作用方面起着重要作用。在实际应用中，外摩擦角对工程师和设计师在创建结构、车辆和机械时至关重要。为了更好地理解外摩擦角的重要性，考虑一个简单的例子：一个箱子被推过地板。施加在箱子上的力必须克服箱子的重量以及箱子与地板之间的摩擦力。摩擦力受接触材料和外摩擦角的影响，这决定了移动箱子所需的力。如果角度很陡，则需要更多的力来启动移动；如果角度较平缓，箱子则更容易滑动。在工程领域，理解外摩擦角有助于设计安全有效的系统。例如，在道路和高速公路的建设中，考虑外摩擦角以确保车辆能够安全地转弯而不打滑。同样，在过山车的设计中，工程师必须考虑这个角度，以确保骑乘者在经历快速的速度和方向变化时的安全。此外，外摩擦角在材料科学领域也有重要意义。不同材料表现出不同程度的摩擦，理解这些特性使科学家能够开发出更适合特定应用的材料，例如有效抓地的轮胎或减少磨损的表面。总之，外摩擦角是力学中的一个基本概念，影响着物体之间及其环境的相互作用。它的应用跨越多个领域，从工程到材料科学，突显了理解摩擦在现实场景中的重要性。通过掌握这一概念，学生和专业人士都可以提高他们的问题解决能力，并为技术和安全的进步做出贡献。最终，外摩擦角不仅仅是一个理论概念，而是一个实际考虑因素，塑造着我们的日常生活和周围世界。