constant of universal gravitation

简明释义

万有引力常数

英英释义

例句

1.In physics class, we learned that the constant of universal gravitation is approximately 6.674 × 10^-11 N(m/kg)^2.

在物理课上，我们了解到万有引力常数约为6.674 × 10^-11 N(m/kg)^2。

2.To calculate the weight of an object on Earth, scientists apply the constant of universal gravitation in their formulas.

为了计算地球上物体的重量，科学家们在公式中应用万有引力常数。

3.Astronomers use the constant of universal gravitation to determine the orbits of planets around the sun.

天文学家使用万有引力常数来确定行星围绕太阳的轨道。

4.The value of the constant of universal gravitation 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.The constant of universal gravitation plays a vital role in understanding the motion of celestial bodies.

万有引力常数在理解天体运动中起着至关重要的作用。

作文

The concept of the constant of universal gravitation is fundamental in the field of physics, particularly in understanding how objects interact with one another through the force of gravity. This constant, denoted by the symbol G, plays a crucial role in Newton's law of universal gravitation, which states that every mass attracts every other mass in the universe with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers. The formula can be expressed as F = G * (m1 * m2) / r², where F represents the gravitational force, m1 and m2 are the masses of the two objects, and r is the distance between their centers.Understanding the constant of universal gravitation allows scientists and researchers to calculate the gravitational forces acting on various celestial bodies, from planets to stars and galaxies. It provides insight into the orbits of planets around the sun, the formation of tides on Earth, and even the behavior of black holes. Without this constant, our comprehension of the universe would be significantly hindered, as it serves as the backbone of gravitational interactions.Historically, the journey to discovering the constant of universal gravitation began with Isaac Newton in the late 17th century. His groundbreaking work laid the foundation for classical mechanics and introduced the idea that gravity is a universal force affecting all matter. Newton's law was revolutionary because it provided a mathematical framework that could explain not only the motion of falling apples but also the orbits of planets around the sun.In modern physics, the constant of universal gravitation has been refined through experiments and observations. Its value is approximately 6.674 × 10⁻¹¹ N(m/kg)². This precision is critical for calculations in astrophysics and cosmology, where understanding the gravitational influences between massive objects is essential for predicting their movements and interactions.Moreover, the significance of the constant of universal gravitation extends beyond theoretical applications; it has practical implications in fields such as engineering, aerospace, and even space exploration. For instance, when launching satellites into orbit, engineers must account for gravitational forces to ensure proper trajectories. Similarly, understanding gravitational interactions is vital for planning space missions, such as sending probes to distant planets or asteroids.In conclusion, the constant of universal gravitation is not just a number; it encapsulates the essence of gravitational force that governs the motion of celestial bodies. Its discovery marked a pivotal moment in the history of science, bridging the gap between observation and mathematical explanation. As we continue to explore the universe, the constant of universal gravitation remains a key element in unraveling the mysteries of space and time, guiding our understanding of the cosmos and our place within it.

万有引力常数的概念在物理学领域中是基础性的，特别是在理解物体如何通过引力相互作用方面。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，该定律指出宇宙中的每个质量都吸引其他质量，其力与它们质量的乘积成正比，与它们中心之间距离的平方成反比。公式可以表示为F = G * (m1 * m2) / r²，其中F表示引力，m1和m2是两个物体的质量，r是它们中心之间的距离。理解万有引力常数使科学家和研究人员能够计算各种天体上作用的引力，从行星到恒星和星系。它提供了对行星围绕太阳轨道、地球潮汐形成甚至黑洞行为的洞察。如果没有这个常数，我们对宇宙的理解将受到重大阻碍，因为它作为引力相互作用的基础。历史上，发现万有引力常数的旅程始于17世纪末的艾萨克·牛顿。他的开创性工作奠定了经典力学的基础，并引入了引力是影响所有物质的普遍力量的理念。牛顿的定律是革命性的，因为它提供了一个数学框架，可以解释不仅是落下的苹果的运动，还有行星围绕太阳的轨道。在现代物理学中，万有引力常数通过实验和观察得到了细化。它的值大约为6.674 × 10⁻¹¹ N(m/kg)²。这种精确性对于天体物理学和宇宙学中的计算至关重要，因为理解大质量物体之间的引力影响对于预测它们的运动和相互作用是必不可少的。此外，万有引力常数的重要性不仅限于理论应用；它在工程、航空航天甚至太空探索等领域也具有实际意义。例如，在将卫星发射到轨道时，工程师必须考虑引力，以确保正确的轨迹。同样，理解引力相互作用对于规划太空任务至关重要，例如向遥远的行星或小行星发送探测器。总之，万有引力常数不仅仅是一个数字；它概括了支配天体运动的引力的本质。它的发现标志着科学史上的一个关键时刻，弥合了观察与数学解释之间的差距。随着我们继续探索宇宙，万有引力常数仍然是揭示时空奥秘的关键要素，引导我们理解宇宙及其在其中的位置。