central force

简明释义

中心力

英英释义

例句

1.Gravity is an example of a central force that keeps planets in orbit.

重力是一个例子，它是一种中心力，使行星保持轨道。

2.The concept of a central force is crucial in understanding planetary motion.

理解行星运动的关键在于概念中的中心力。

3.In physics, the central force acts along the line connecting the centers of two bodies.

在物理学中，中心力沿着连接两个物体中心的直线作用。

4.In celestial mechanics, the central force can be described by Newton's law of gravitation.

在天体力学中，中心力可以通过牛顿万有引力定律来描述。

5.The central force model simplifies the analysis of many mechanical systems.

中心力模型简化了对许多机械系统的分析。

作文

In the realm of physics, the concept of a central force (中心力) plays a crucial role in understanding the motion of objects. A central force is defined as a force that acts along the line connecting the center of an object to a point in space. This type of force is significant because it influences the trajectory of the objects involved, whether they are planets orbiting a star or electrons circling around a nucleus. One of the most well-known examples of a central force is gravity. The gravitational pull between two masses is directed towards the center of each mass, providing a perfect illustration of how a central force works in nature.The importance of central forces extends beyond just gravitational interactions. In celestial mechanics, for instance, the orbits of planets can be accurately predicted using the laws of motion and gravitation formulated by Isaac Newton. According to these laws, the central force acting on a planet due to the Sun's gravity keeps it in a stable orbit. This relationship not only helps us understand the movement of celestial bodies but also underpins much of modern astrophysics.Moreover, central forces are not limited to celestial phenomena. In engineering and robotics, understanding central forces can help in designing systems that rely on rotational motion. For example, when designing a roller coaster, engineers must account for the central forces acting on the cars as they move through loops and turns. The forces exerted on the riders during these motions are critical for ensuring safety and comfort.Another fascinating application of central forces can be found in particle physics. The strong nuclear force, which binds protons and neutrons together in an atomic nucleus, can also be considered a central force. This force operates at very short ranges and is one of the fundamental forces of nature. Understanding how central forces operate at such small scales allows scientists to delve deeper into the structure of matter and the universe itself.In summary, the concept of a central force (中心力) is integral to various fields of science and engineering. Whether we are studying the orbits of planets, designing amusement park rides, or exploring the fundamental particles of the universe, central forces provide the framework for understanding motion and interaction. Their influence is pervasive and essential for grasping both the macroscopic and microscopic phenomena we observe in our world. As we continue to explore the complexities of the universe, the study of central forces will undoubtedly remain a central theme in both theoretical and applied sciences.

在物理学领域，中心力的概念在理解物体运动方面起着至关重要的作用。中心力被定义为沿着连接物体中心与空间某点的直线作用的力。这种类型的力之所以重要，是因为它影响参与物体的轨迹，无论是围绕恒星旋转的行星，还是围绕原子核旋转的电子。中心力的一个著名例子是重力。两个质量之间的引力是指向每个质量的中心，完美地展示了中心力在自然界中的作用。中心力的重要性不仅限于引力相互作用。在天体力学中，例如，行星的轨道可以通过艾萨克·牛顿制定的运动和引力定律进行准确预测。根据这些定律，由于太阳的引力作用于行星的中心力使其保持在稳定的轨道上。这种关系不仅帮助我们理解天体的运动，还支撑了现代天体物理学的许多内容。此外，中心力并不限于天体现象。在工程和机器人技术中，理解中心力可以帮助设计依赖于旋转运动的系统。例如，在设计过山车时，工程师必须考虑在车厢经过环形和转弯时作用于其上的中心力。在这些运动过程中施加于乘客的力量对于确保安全和舒适至关重要。另一个有趣的中心力应用可以在粒子物理学中找到。将质子和中子结合在原子核中的强核力也可以被视为一种中心力。这种力在非常短的范围内起作用，是自然界的基本力之一。理解在如此小的尺度上中心力如何运作使科学家能够更深入地探讨物质的结构以及宇宙本身。总之，中心力的概念（中心力）是科学和工程各个领域不可或缺的一部分。无论我们是在研究行星的轨道、设计游乐园设施，还是探索宇宙的基本粒子，中心力提供了理解运动和相互作用的框架。它们的影响无处不在，对于把握我们世界中观察到的宏观和微观现象至关重要。随着我们继续探索宇宙的复杂性，中心力的研究无疑将继续成为理论和应用科学中的一个核心主题。