torsion balance

简明释义

扭秤

英英释义

例句

1.Using a torsion balance, students learned about the principles of torque and equilibrium.

学生们使用扭转天平学习了扭矩和平衡的原理。

2.To demonstrate the concept of density, the teacher used a torsion balance with different liquids.

为了演示密度的概念，老师使用了一个装有不同液体的扭转天平。

3.The torsion balance allowed researchers to detect minute changes in mass.

该扭转天平使研究人员能够检测到微小的质量变化。

4.In the laboratory, the torsion balance was essential for precise weight measurements.

在实验室中，扭转天平对于精确的重量测量至关重要。

5.The scientist used a torsion balance to measure the gravitational force between two masses.

科学家使用扭转天平来测量两个质量之间的引力。

作文

The concept of a torsion balance is fundamental in the field of physics, particularly in the measurement of mass and gravitational forces. A torsion balance is an instrument that utilizes the principle of torsion to measure the weight of objects with high precision. This device consists of a beam suspended horizontally from a thin wire or fiber, which twists when weight is applied to either end of the beam. The amount of twist is directly proportional to the force exerted on the beam, allowing for accurate measurements. In the early days of scientific experimentation, the torsion balance played a crucial role in understanding the gravitational attraction between masses. Pioneers like Henry Cavendish used this instrument to determine the density of the Earth by measuring the gravitational pull between lead spheres. The results of such experiments were groundbreaking, paving the way for Newton's law of universal gravitation. The construction of a torsion balance requires careful consideration of various factors, including the type of material used for the suspension wire and the dimensions of the beam. Modern versions of the torsion balance are often made with advanced materials that minimize friction and enhance sensitivity. This sensitivity is vital for detecting minute forces, which is particularly useful in fields such as geophysics and metrology. One of the most significant applications of a torsion balance is in the study of gravitational interactions. By measuring the tiny forces between masses, scientists can gain insights into the properties of materials and the nature of gravity itself. For instance, researchers have used torsion balances to investigate the gravitational constant, which is essential for understanding the scale of the universe. Furthermore, torsion balances are not limited to gravitational studies; they also find applications in various scientific experiments where precise measurements are required. For example, in the field of chemistry, a torsion balance can be utilized to measure the force of molecular interactions. This capability allows chemists to study reaction dynamics and the stability of compounds at a molecular level. In conclusion, the torsion balance is an indispensable tool in scientific research, providing a means to measure forces with remarkable accuracy. Its historical significance and continued relevance in modern science underscore the importance of this device in advancing our understanding of the physical world. As technology evolves, we can expect to see further innovations in the design and application of torsion balances, enhancing their utility in various fields of study. Whether in the realm of gravitational physics or molecular chemistry, the torsion balance remains a key instrument for researchers seeking to unravel the complexities of nature.

扭秤的概念在物理学领域中至关重要，特别是在质量和重力测量方面。扭秤是一种利用扭转原理来高精度测量物体重量的仪器。该设备由一根水平悬挂的梁和一根细线或纤维组成，当重量施加到梁的两端时，梁会扭转。扭转的程度与施加在梁上的力成正比，从而实现准确的测量。在科学实验的早期，扭秤在理解质量之间的引力方面发挥了关键作用。亨利·卡文迪许等先驱者使用这一仪器通过测量铅球之间的引力来确定地球的密度。这类实验的结果具有开创性，为牛顿的万有引力定律奠定了基础。构建一个扭秤需要仔细考虑各种因素，包括悬挂线的材料类型和梁的尺寸。现代版本的扭秤通常采用先进材料，以最小化摩擦并增强灵敏度。这种灵敏度对于检测微小的力至关重要，特别是在地球物理学和计量学等领域。扭秤最显著的应用之一是在研究引力相互作用中。通过测量质量之间的微小力，科学家可以深入了解材料的性质和引力本身的特征。例如，研究人员使用扭秤研究引力常数，这对于理解宇宙的尺度至关重要。此外，扭秤并不限于引力研究；它们还在各种科学实验中找到应用，尤其是需要精确测量的实验。例如，在化学领域，扭秤可用于测量分子间的相互作用力。这一能力使化学家能够研究反应动力学以及化合物在分子水平上的稳定性。总之，扭秤是科学研究中不可或缺的工具，提供了一种以惊人精度测量力的方法。它的历史意义和在现代科学中的持续相关性突显了这一设备在推动我们理解物质世界方面的重要性。随着技术的发展，我们可以期待在扭秤的设计和应用方面看到进一步的创新，增强其在各个研究领域中的实用性。无论是在引力物理学还是分子化学领域，扭秤仍然是研究人员揭示自然复杂性的关键仪器。