stationary motion

简明释义

定常运动

英英释义

例句

1.To understand stationary motion, consider a book resting on a table.

要理解静止运动，可以考虑一本书放在桌子上。

2.In physics, stationary motion refers to an object that remains at rest.

在物理学中，静止运动指的是一个保持静止的物体。

3.During the experiment, we observed stationary motion of the pendulum when it reached its highest point.

在实验中，我们观察到摆在达到最高点时的静止运动。

4.The bike was left in stationary motion while the rider took a break.

骑自行车的人休息时，自行车处于静止运动状态。

5.The car was in a state of stationary motion, meaning it wasn't moving at all.

这辆车处于静止运动状态，意味着它根本没有移动。

作文

In the study of physics, understanding the concept of stationary motion is crucial for grasping the fundamental principles of movement. Stationary motion refers to the state of an object that remains at rest, not changing its position over time. This concept is often taken for granted because we are surrounded by moving objects in our daily lives. However, the idea of stationary motion serves as a foundational aspect of kinematics, which is the branch of mechanics that deals with the motion of objects without considering the forces that cause this motion.To illustrate the significance of stationary motion, consider a simple example: a book lying on a table. The book does not move; it remains at the same position relative to the table and the surrounding environment. In this scenario, the book's stationary motion indicates that there are no net forces acting on it. According to Newton's first law of motion, an object at rest will stay at rest unless acted upon by an external force. Therefore, the book's lack of movement exemplifies the idea of stationary motion. Understanding stationary motion is also essential when analyzing more complex systems. For instance, in engineering, when designing structures such as bridges or buildings, engineers must account for the forces acting on these structures while they are at rest. If the forces are balanced, the structure remains in a state of stationary motion, ensuring stability and safety. Any unbalanced forces could lead to movement, which can have catastrophic consequences.Moreover, stationary motion plays a vital role in various scientific experiments. Researchers often need to establish a baseline or control condition, where variables are kept constant, and the system is in a state of stationary motion. This allows them to isolate specific factors and observe their effects without interference from other movements. For example, in a laboratory setting, scientists might conduct an experiment where a pendulum is allowed to come to a complete stop before measurements are taken. This ensures that the data collected reflects only the intended variables, thus enhancing the reliability of the results.In conclusion, the concept of stationary motion is not merely an abstract idea but a fundamental principle that underlies many aspects of physics and engineering. Recognizing the importance of stationary motion helps us appreciate the delicate balance of forces that govern our world. By understanding when and why objects remain stationary, we can better analyze and predict the behavior of systems in motion. Whether in everyday life or advanced scientific research, the principle of stationary motion serves as a cornerstone for further exploration and understanding of the physical universe.

在物理学的研究中，理解“静止运动”这一概念对于掌握运动的基本原理至关重要。“静止运动”指的是一个物体保持静止的状态，即在一段时间内不改变其位置。这个概念往往被人们视为理所当然，因为我们日常生活中周围充满了运动的物体。然而，“静止运动”这一概念作为运动学的基础方面，对于理解物体的运动是非常重要的，运动学是处理物体运动的力学分支，而不考虑导致这种运动的力量。为了说明“静止运动”的重要性，考虑一个简单的例子：一本躺在桌子上的书。这本书没有移动；它相对于桌子和周围环境保持在同一位置。在这种情况下，这本书的“静止运动”表明没有净力作用在它上面。根据牛顿第一运动定律，一个静止的物体会保持静止，除非受到外力的作用。因此，这本书的不动正好体现了“静止运动”的概念。理解“静止运动”在分析更复杂的系统时也至关重要。例如，在工程学中，当设计桥梁或建筑物等结构时，工程师必须考虑这些结构在静止状态下所受的力量。如果力量平衡，结构将保持在“静止运动”状态，从而确保稳定性和安全性。任何不平衡的力量都可能导致运动，这可能会造成灾难性的后果。此外，“静止运动”在各种科学实验中也发挥着重要作用。研究人员常常需要建立一个基线或控制条件，在这个条件下，变量保持不变，系统处于“静止运动”状态。这使他们能够隔离特定因素并观察其影响，而不受其他运动的干扰。例如，在实验室环境中，科学家可能会进行实验，让一个摆完全停止后再进行测量。这确保收集的数据仅反映预期变量，从而提高结果的可靠性。总之，“静止运动”的概念不仅仅是一个抽象的想法，而是许多物理学和工程学方面的基本原理。认识到“静止运动”的重要性帮助我们欣赏支配我们世界的力量之间的微妙平衡。通过理解物体何时以及为何保持静止，我们可以更好地分析和预测运动系统的行为。无论是在日常生活中还是在先进的科学研究中，“静止运动”的原理都是进一步探索和理解物理宇宙的基石。