universal gravitation constant

简明释义

引常数

英英释义

The universal gravitation constant is a fundamental physical constant denoted by the symbol G, which quantifies the strength of the gravitational force between two masses.

万有引力常数是一个基本物理常数,用符号G表示,量化两个质量之间的引力强度。

例句

1.Understanding the universal gravitation constant helps us comprehend how black holes exert their influence.

理解万有引力常数有助于我们理解黑洞如何施加影响。

2.Scientists use the universal gravitation constant to explain the orbits of planets around the sun.

科学家使用万有引力常数来解释行星围绕太阳的轨道。

3.The universal gravitation constant is denoted by the letter G in physics equations.

万有引力常数在物理方程中用字母G表示。

4.The value of the universal gravitation constant is crucial for calculating the gravitational force between two masses.

计算两个质量之间的引力时,万有引力常数的值至关重要。

5.In experiments, the accuracy of measuring the universal gravitation constant can significantly affect the results.

在实验中,测量万有引力常数的准确性会显著影响结果。

作文

The concept of gravity has fascinated scientists and thinkers for centuries. One of the most significant contributions to our understanding of gravity is the formulation of the universal gravitation constant. This constant, denoted by the letter G, plays a crucial role in Newton's law of universal gravitation, which describes the attractive force between two masses. The universal gravitation constant is not just a mere number; it encapsulates the fundamental relationship between mass and distance in the universe. Its value is approximately 6.674 × 10⁻¹¹ N(m/kg)², and it serves as a key to unlocking the mysteries of celestial mechanics.Understanding the universal gravitation constant requires an exploration of its implications in both theoretical and practical contexts. In theoretical physics, it helps to explain how planets orbit stars, how moons revolve around planets, and how galaxies interact. For instance, without the universal gravitation constant, we would struggle to predict the motion of celestial bodies accurately. This constant allows astronomers to calculate the gravitational forces at play in the vastness of space, facilitating our understanding of phenomena such as black holes and the expansion of the universe.In practical terms, the universal gravitation constant is essential for various applications on Earth. Engineers and architects rely on gravitational principles when designing structures, ensuring they can withstand the forces exerted by gravity. Additionally, the universal gravitation constant is vital in fields such as aerospace engineering, where understanding gravitational forces is crucial for launching and navigating spacecraft. The accuracy of satellite positioning systems, like GPS, also hinges on the precise calculations involving this constant.Despite its significance, the universal gravitation constant is not without its challenges. Scientists have struggled to measure G with high precision due to its relatively weak nature compared to other fundamental forces. Various experiments over the years have yielded slightly different values, leading to ongoing research aimed at refining our understanding of this constant. The quest to measure the universal gravitation constant more accurately reflects the broader pursuit of knowledge in the field of physics, highlighting the intricate dance between theory and experimentation.Moreover, the universal gravitation constant invites philosophical inquiries about the nature of the universe. It raises questions about why gravity exists, why it has the value it does, and what that means for our understanding of reality. Some physicists speculate about the existence of additional dimensions or forces that could influence gravity, suggesting that our current understanding might only scratch the surface of a more complex framework governing the cosmos.In conclusion, the universal gravitation constant is a cornerstone of our understanding of gravitational interactions in the universe. Its implications stretch across various fields, from astronomy to engineering, and even into philosophical realms. As we continue to explore the universe and refine our scientific methods, the universal gravitation constant will undoubtedly remain a focal point in our quest for knowledge about the forces that shape our reality. Understanding this constant not only enhances our grasp of physical laws but also deepens our appreciation for the intricate beauty of the universe we inhabit.

重力的概念几个世纪以来一直吸引着科学家和思想者。对我们理解重力最重要的贡献之一是对万有引力常数的公式化。这个常数用字母G表示,在牛顿的万有引力定律中起着至关重要的作用,该定律描述了两个质量之间的吸引力。万有引力常数不仅仅是一个数字;它概括了宇宙中质量和距离之间的基本关系。它的值约为6.674 × 10⁻¹¹ N(m/kg)²,并且是揭开天体力学奥秘的关键。理解万有引力常数需要探讨其在理论和实践背景下的影响。在理论物理学中,它有助于解释行星如何围绕恒星运行,卫星如何围绕行星旋转,以及星系如何相互作用。例如,如果没有万有引力常数,我们将很难准确预测天体的运动。这个常数使天文学家能够计算太空广阔中的引力,从而促进我们对黑洞和宇宙膨胀等现象的理解。在实际应用中,万有引力常数对于地球上的各种应用至关重要。工程师和建筑师在设计结构时依赖于重力原理,以确保它们能够承受重力施加的力量。此外,万有引力常数在航空航天工程等领域也至关重要,在这些领域,理解引力对于发射和导航航天器至关重要。像GPS这样的卫星定位系统的准确性也依赖于涉及该常数的精确计算。尽管万有引力常数的重要性不容忽视,但它并非没有挑战。由于与其他基本力相比,其相对微弱,科学家们一直在努力以高精度测量G。多年来的各种实验产生了略有不同的值,导致持续的研究旨在完善我们对这个常数的理解。测量万有引力常数的准确性反映了物理学领域对知识的更广泛追求,突显了理论与实验之间复杂的舞蹈。此外,万有引力常数引发了关于宇宙本质的哲学探讨。它引发了关于重力为何存在、为何具有当前值以及这对我们理解现实意味着什么的问题。一些物理学家推测可能存在额外的维度或力量会影响重力,暗示我们当前的理解可能只是支配宇宙的更复杂框架的表面。总之,万有引力常数是我们理解宇宙中引力相互作用的基石。它的影响跨越多个领域,从天文学到工程学,甚至进入哲学领域。随着我们继续探索宇宙并完善我们的科学方法,万有引力常数无疑将继续成为我们对塑造现实的力量的知识追求的焦点。理解这个常数不仅增强了我们对物理法则的掌握,还加深了我们对我们所居住的宇宙的复杂美的欣赏。

相关单词

gravitation

gravitation详解:怎么读、什么意思、用法