lorentz force
简明释义
洛伦兹力
英英释义
The Lorentz force is the force experienced by a charged particle moving through an electromagnetic field, which is the combination of electric and magnetic fields. | 洛伦兹力是带电粒子在电磁场中运动时所经历的力,该场是电场和磁场的组合。 |
例句
1.The lorentz force 洛伦兹力 is crucial for understanding how electric motors operate.
理解电动机的工作原理时,洛伦兹力 洛伦兹力至关重要。
2.When a conductor moves through a magnetic field, it experiences a lorentz force 洛伦兹力 that generates an electromotive force.
当导体在磁场中移动时,它会经历一个产生电动势的洛伦兹力 洛伦兹力。
3.The motion of a charged particle in a magnetic field is influenced by the lorentz force 洛伦兹力, which acts perpendicular to both the velocity and the magnetic field.
带电粒子在磁场中的运动受洛伦兹力 洛伦兹力的影响,该力垂直于速度和磁场。
4.In a cyclotron, particles are accelerated by the lorentz force 洛伦兹力, allowing them to reach high speeds.
在回旋加速器中,粒子通过洛伦兹力 洛伦兹力被加速,从而达到高速。
5.The direction of the lorentz force 洛伦兹力 can be determined using the right-hand rule.
可以使用右手法则来确定洛伦兹力 洛伦兹力的方向。
作文
The concept of the Lorentz force is fundamental in the field of electromagnetism, which describes the force experienced by a charged particle moving through an electric and magnetic field. This phenomenon is not only crucial for understanding basic physics but also has practical applications in various technologies we use today. The Lorentz force can be expressed mathematically as F = q(E + v × B), where F represents the force, q is the charge of the particle, E is the electric field, v is the velocity of the particle, and B is the magnetic field. To comprehend the Lorentz force, we must first break down its components. The electric field (E) exerts a force on a charged particle even when it is at rest. When a charged particle moves through this field, it experiences a force proportional to both the strength of the electric field and the amount of charge it carries. This relationship illustrates how electric fields can influence the motion of charged particles, making them accelerate or decelerate depending on the direction of the field.However, the interaction does not stop here. When the charged particle is also moving within a magnetic field (B), it experiences an additional force due to the magnetic component of the Lorentz force. This force is perpendicular to both the velocity of the particle and the direction of the magnetic field, resulting in a curved path rather than a straight line. This behavior is particularly important in devices such as cyclotrons and synchrotrons, which are used to accelerate charged particles to high speeds.The significance of the Lorentz force extends beyond theoretical physics. It plays a vital role in the functioning of electric motors, generators, and many other electrical devices. For instance, in an electric motor, the interaction between the electric current flowing through the coils and the magnetic field generates a torque that causes rotation. This principle is directly derived from the Lorentz force and showcases how fundamental physics principles can lead to technological advancements.Furthermore, understanding the Lorentz force is essential for the development of modern technologies like magnetic levitation trains and plasma confinement in fusion reactors. In magnetic levitation systems, the Lorentz force is utilized to lift and propel trains, reducing friction and allowing for higher speeds. In fusion reactors, controlling the movement of charged particles using magnetic fields relies heavily on the principles described by the Lorentz force.In summary, the Lorentz force is a pivotal concept in electromagnetism that explains how charged particles interact with electric and magnetic fields. Its mathematical formulation provides insights into the forces acting on these particles, while its applications in technology highlight its significance in our daily lives. As we continue to explore and innovate in the realm of physics and engineering, the Lorentz force will undoubtedly remain a key element in our understanding of the universe and the development of future technologies.
“洛伦兹力”这一概念在电磁学领域中是基础性的,它描述了带电粒子在电场和磁场中运动时所经历的力。这一现象不仅对理解基础物理至关重要,而且在我们今天使用的各种技术中也有实际应用。“洛伦兹力”可以用数学公式表示为F = q(E + v × B),其中F代表力,q是粒子的电荷,E是电场,v是粒子的速度,B是磁场。要理解“洛伦兹力”,我们必须首先分解其组成部分。电场(E)即使在带电粒子静止时也会对其施加力。当带电粒子在此电场中移动时,它会经历一个与电场强度和其电荷量成正比的力。这种关系说明了电场如何影响带电粒子的运动,使它们根据电场的方向加速或减速。然而,交互并不止于此。当带电粒子也在磁场(B)中移动时,它会由于“洛伦兹力”的磁性成分而经历额外的力。这个力垂直于粒子的速度和磁场的方向,导致粒子沿曲线而非直线运动。这种行为在如回旋加速器和同步加速器等装置中尤为重要,这些装置用于将带电粒子加速到高速度。“洛伦兹力”的重要性超越了理论物理。它在电动机、发电机及许多其他电气设备的运行中扮演着至关重要的角色。例如,在电动机中,流经线圈的电流与磁场之间的相互作用产生扭矩,从而引起旋转。这一原理直接源自“洛伦兹力”,展示了基础物理原理如何导致技术进步。此外,理解“洛伦兹力”对于现代技术的发展也是必不可少的,例如磁悬浮列车和核聚变反应堆中的等离子体约束。在磁悬浮系统中,“洛伦兹力”被用于抬升和推动列车,减少摩擦并允许更高的速度。在聚变反应堆中,利用磁场控制带电粒子的运动在很大程度上依赖于“洛伦兹力”所描述的原理。总之,“洛伦兹力”是电磁学中的一个关键概念,解释了带电粒子如何与电场和磁场相互作用。其数学公式提供了对这些粒子所受力的深入理解,而其在技术中的应用则凸显了它在我们日常生活中的重要性。随着我们继续探索和创新物理和工程领域,“洛伦兹力”无疑将继续成为我们理解宇宙和未来技术发展的关键元素。