magnetic torsion balance

简明释义

磁扭秤;

英英释义

例句

1.The scientist used a magnetic torsion balance to measure the gravitational force between two small masses.

科学家使用磁性扭摆天平来测量两个小质量之间的引力。

2.The magnetic torsion balance was essential for determining the magnetic susceptibility of various materials.

这台磁性扭摆天平对于确定各种材料的磁化率至关重要。

3.In physics experiments, a magnetic torsion balance can help demonstrate the principles of magnetism and gravity.

在物理实验中，磁性扭摆天平可以帮助演示磁性和重力的原理。

4.Researchers utilized a magnetic torsion balance to study the interaction between magnetic fields and electric currents.

研究人员利用磁性扭摆天平研究磁场与电流之间的相互作用。

5.During the lab session, students took turns operating the magnetic torsion balance to observe its behavior.

在实验课上，学生们轮流操作磁性扭摆天平以观察其行为。

作文

The magnetic torsion balance is a fascinating instrument that has played a crucial role in the field of physics, particularly in the study of gravitational and magnetic forces. This device was first developed in the 18th century and has since undergone numerous modifications to enhance its accuracy and reliability. The fundamental principle behind the magnetic torsion balance involves the use of a thin wire or fiber that can twist when subjected to external forces. When a magnetic object is brought near the balance, it induces a torque that causes the wire to twist, allowing scientists to measure the strength of the magnetic field. One of the most significant applications of the magnetic torsion balance is in experiments designed to measure gravitational constants and magnetic moments. By carefully calibrating the device, researchers can obtain precise measurements that contribute to our understanding of fundamental physical laws. For instance, the magnetic torsion balance was instrumental in Cavendish's experiment, which aimed to determine the density of the Earth. This experiment not only demonstrated the existence of gravitational attraction but also provided a method for calculating the mass of the Earth itself.In addition to its historical significance, the magnetic torsion balance continues to be relevant in modern scientific research. Today, physicists use advanced versions of this device to explore new materials and phenomena in condensed matter physics. The ability to measure minute forces with high precision makes the magnetic torsion balance an invaluable tool in laboratories around the world. Researchers can investigate the magnetic properties of materials at the nanoscale, leading to discoveries that have implications for technology, such as the development of better magnets or improved electronic devices.Furthermore, the magnetic torsion balance serves as an excellent educational tool. In classrooms and laboratories, students can conduct hands-on experiments to visualize the concepts of magnetism and gravity. By observing how the balance reacts to various magnetic fields, learners gain a deeper appreciation for the complexities of physical forces. This experiential learning approach fosters curiosity and encourages students to pursue careers in science and engineering fields.Despite its many advantages, the magnetic torsion balance does have limitations. Its sensitivity to environmental factors, such as air currents and temperature changes, can affect the accuracy of measurements. Therefore, scientists must take great care in controlling the experimental conditions to ensure reliable data. Additionally, while the magnetic torsion balance is powerful, it is often used in conjunction with other instruments to provide a more comprehensive understanding of physical phenomena.In conclusion, the magnetic torsion balance is not just a relic of the past; it remains a vital instrument in both historical studies and contemporary research. Its ability to measure magnetic and gravitational forces with precision has made it a cornerstone of experimental physics. As we continue to explore the mysteries of the universe, the magnetic torsion balance will undoubtedly remain an essential tool in our scientific arsenal, bridging the gap between classical physics and modern technological advancements.

磁扭秤是一种引人入胜的仪器，在物理学领域，特别是在研究重力和磁力方面发挥了至关重要的作用。这种设备最早是在18世纪开发的，此后经过多次改进，以提高其准确性和可靠性。磁扭秤的基本原理涉及使用一根可以在外部力量作用下扭转的细线或纤维。当一个磁性物体靠近平衡时，它会产生一个扭矩，使得线被扭转，从而允许科学家测量磁场的强度。磁扭秤最重要的应用之一是设计用于测量重力常数和磁矩的实验。通过仔细校准设备，研究人员可以获得精确的测量结果，这些结果有助于我们理解基本的物理法则。例如，磁扭秤在卡文迪许实验中发挥了重要作用，该实验旨在确定地球的密度。该实验不仅证明了重力吸引的存在，还提供了一种计算地球质量的方法。除了历史意义外，磁扭秤在现代科学研究中仍然相关。今天，物理学家使用这种设备的高级版本来探索凝聚态物理中的新材料和现象。以高精度测量微小力量的能力使得磁扭秤成为世界各地实验室中不可或缺的工具。研究人员可以在纳米尺度上研究材料的磁性特性，从而导致对技术的发现，例如开发更好的磁铁或改进电子设备。此外，磁扭秤作为一种优秀的教育工具。在教室和实验室中，学生可以进行动手实验，以可视化磁性和重力的概念。通过观察平衡如何对各种磁场做出反应，学习者对物理力量的复杂性有了更深刻的理解。这种体验式学习方法培养了好奇心，并鼓励学生追求科学和工程领域的职业生涯。尽管有许多优点，磁扭秤确实存在局限性。它对环境因素（如气流和温度变化）的敏感性可能会影响测量的准确性。因此，科学家在控制实验条件时必须非常小心，以确保可靠的数据。此外，虽然磁扭秤功能强大，但通常与其他仪器结合使用，以提供对物理现象的更全面理解。总之，磁扭秤不仅仅是过去的遗物；它仍然是历史研究和当代研究中的重要仪器。它以精确测量磁力和重力的能力，使其成为实验物理学的基石。随着我们继续探索宇宙的奥秘，磁扭秤无疑将继续作为我们科学武器库中的重要工具，架起经典物理与现代技术进步之间的桥梁。