coulomb force
简明释义
库仑力
英英释义
例句
1.The strength of the coulomb force 库仑力 between two charged objects depends on the distance between them.
两个带电物体之间的coulomb force 库仑力 的强度取决于它们之间的距离。
2.The formula for calculating the coulomb force 库仑力 is derived from Coulomb's law.
计算coulomb force 库仑力 的公式是由库仑定律推导而来的。
3.When two like charges are brought close together, the coulomb force 库仑力 causes them to repel each other.
当两个同种电荷靠近时,coulomb force 库仑力 会使它们相互排斥。
4.In electrostatics, the coulomb force 库仑力 is fundamental in determining how charged particles interact.
在静电学中,coulomb force 库仑力 是决定带电粒子相互作用的基本力量。
5.In a vacuum, the coulomb force 库仑力 acts over larger distances compared to forces in a medium.
在真空中,coulomb force 库仑力 的作用距离比在介质中的力要大。
作文
The study of forces in physics is fundamental to understanding how objects interact with one another. One of the most significant forces in nature is the coulomb force, which describes the interaction between charged particles. This force is named after Charles-Augustin de Coulomb, an 18th-century French physicist who established the law governing the attraction and repulsion between electric charges. The coulomb force is crucial in explaining various phenomena, from the behavior of atoms to the principles of electricity and magnetism.To understand the coulomb force, it is essential to grasp the concept of electric charge. Electric charges can be positive or negative, and like charges repel each other while opposite charges attract. The strength of the coulomb force between two point charges is determined by Coulomb's Law, which states that the force is directly proportional to the product of the magnitudes of the charges and inversely proportional to the square of the distance between them. Mathematically, this is expressed as:F = k * (|q1 * q2| / r^2)where F is the magnitude of the coulomb force, k is Coulomb's constant, q1 and q2 are the amounts of the charges, and r is the distance between the centers of the two charges.This relationship illustrates several critical points about the coulomb force. First, it indicates that as the distance between two charges increases, the force acting between them decreases significantly. This inverse square relationship means that even a small increase in distance can lead to a substantial reduction in force. Conversely, bringing two charges closer together results in a much stronger force of interaction.Moreover, the coulomb force plays a vital role in the structure of matter. It is responsible for holding electrons in their orbits around atomic nuclei, thus influencing the chemical properties of elements. Without the coulomb force, atoms would not exist as we know them, and consequently, matter would not have the same characteristics.In addition to its significance in atomic structure, the coulomb force also underpins many technological applications. For instance, in electronics, the behavior of semiconductors relies heavily on the interactions governed by this force. Devices such as transistors and diodes function based on the manipulation of electric charges, showcasing the practical implications of the coulomb force in everyday technology.Furthermore, understanding the coulomb force is essential for advancing fields such as electrostatics and electromagnetism. These areas of study explore how electric charges interact, leading to the development of technologies like capacitors, batteries, and various forms of wireless communication.In conclusion, the coulomb force is a fundamental aspect of physics that explains the interactions between charged particles. Its implications extend beyond theoretical physics into practical applications that shape our modern world. By grasping the principles behind the coulomb force, we can better appreciate the intricate connections between electricity, magnetism, and the very fabric of matter itself.
物理学中对力的研究对于理解物体之间的相互作用至关重要。自然界中最重要的力量之一是库仑力,它描述了带电粒子之间的相互作用。这种力以18世纪法国物理学家查尔斯-奥古斯丁·库仑的名字命名,他建立了关于电荷之间吸引和排斥的定律。库仑力在解释从原子的行为到电和磁的原理等各种现象中都是至关重要的。要理解库仑力,首先必须掌握电荷的概念。电荷可以是正的或负的,同种电荷相互排斥,而异种电荷则相互吸引。两点电荷之间的库仑力的强度由库仑定律决定,该定律表明,力与电荷的大小的乘积成正比,与它们之间距离的平方成反比。从数学上讲,这可以表示为:F = k * (|q1 * q2| / r^2)其中F是库仑力的大小,k是库仑常数,q1和q2是电荷的量,r是两个电荷中心之间的距离。这个关系阐明了关于库仑力的几个关键点。首先,它表明,随着两个电荷之间距离的增加,它们之间的作用力显著减小。这种反平方关系意味着,即使距离稍有增加,也会导致力的显著减少。相反,将两个电荷靠得更近会导致更强的相互作用力。此外,库仑力在物质结构中起着至关重要的作用。它负责将电子保持在原子核周围的轨道上,从而影响元素的化学性质。如果没有库仑力,原子就不会以我们所知的形式存在,因此物质也不会具有相同的特性。除了在原子结构中的重要性外,库仑力还支撑着许多技术应用。例如,在电子学中,半导体的行为在很大程度上依赖于这种力所支配的相互作用。晶体管和二极管等设备的功能基于电荷的操控,展示了库仑力在日常技术中的实际意义。此外,理解库仑力对于推进静电学和电磁学等领域至关重要。这些研究领域探索电荷如何相互作用,从而促进电容器、电池和各种无线通信技术的发展。总之,库仑力是物理学的一个基本方面,解释了带电粒子之间的相互作用。它的影响超越了理论物理,延伸到塑造我们现代世界的实际应用。通过掌握库仑力背后的原理,我们可以更好地理解电、磁以及物质本身的复杂联系。
相关单词