law of universal gravitation

简明释义

万有引力定律

英英释义

例句

1.The law of universal gravitation explains why planets orbit around the sun.

万有引力定律解释了为什么行星围绕太阳运行。

2.Isaac Newton formulated the law of universal gravitation in the 17th century.

艾萨克·牛顿在17世纪制定了万有引力定律。

3.The strength of the force described by the law of universal gravitation depends on the masses involved.

万有引力定律描述的力量强度取决于参与的质量。

4.When studying celestial mechanics, one must consider the law of universal gravitation.

在研究天体力学时，必须考虑万有引力定律。

5.According to the law of universal gravitation, every mass attracts every other mass in the universe.

根据万有引力定律，宇宙中的每个质量都会吸引其他每个质量。

作文

The law of universal gravitation is one of the most fundamental principles in physics, formulated by Sir Isaac Newton in the late 17th century. This law 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 for this law can be expressed as F = G(m1*m2)/r², where F is the force of attraction, G is the gravitational constant, m1 and m2 are the masses of the two objects, and r is the distance between their centers. Understanding the law of universal gravitation is essential for comprehending how celestial bodies interact with each other in space.The implications of the law of universal gravitation are profound. It explains not only why objects fall to the ground but also how planets orbit the sun and how moons orbit planets. For instance, when you drop a ball, it falls to the ground due to the gravitational pull from the Earth, which is a massive body. Similarly, the Earth itself orbits the Sun because of the gravitational attraction between the two. This law allows us to predict the motion of planets and other celestial bodies with remarkable accuracy.Moreover, the law of universal gravitation has paved the way for numerous advancements in science and technology. It led to the development of classical mechanics, which describes the motion of objects under the influence of forces. This framework is crucial for various fields, including engineering, aerospace, and even everyday activities such as driving cars and flying airplanes. Engineers and scientists rely on the principles derived from the law of universal gravitation to design structures, vehicles, and spacecraft that can withstand gravitational forces.In addition to its practical applications, the law of universal gravitation has also inspired philosophical inquiries about the nature of the universe. It raises questions about the interconnectedness of all things and the forces that govern them. The idea that every object in the universe is influenced by the gravitational pull of every other object suggests a profound unity in the cosmos. This perspective has influenced not only scientific thought but also literature, art, and spirituality.Despite its foundational role in physics, the law of universal gravitation is not without its limitations. In the early 20th century, Albert Einstein introduced the theory of general relativity, which expanded upon Newton's ideas. Einstein proposed that gravity is not merely a force but a curvature of spacetime caused by mass. While the law of universal gravitation works exceptionally well for most everyday situations, general relativity provides a more comprehensive understanding of gravity, especially in extreme conditions, such as near black holes or at cosmological scales.In conclusion, the law of universal gravitation is a cornerstone of physics that has shaped our understanding of the universe. Its ability to explain the motion of objects, both on Earth and in space, has had far-reaching implications for science and technology. As we continue to explore the mysteries of the cosmos, the law of universal gravitation remains a vital concept that connects us to the fundamental forces that govern our existence. Whether we are observing the fall of an apple or the orbits of distant galaxies, this law serves as a reminder of the intricate relationships that bind the universe together.

万有引力定律是物理学中最基本的原理之一，由艾萨克·牛顿在17世纪末提出。该定律指出，宇宙中的每个质量都以一种力相互吸引，这种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。这个定律的公式可以表示为F = G(m1*m2)/r²，其中F是引力，G是引力常数，m1和m2是两个物体的质量，r是它们中心之间的距离。理解万有引力定律对于理解天体如何在太空中相互作用至关重要。万有引力定律的影响深远。它不仅解释了物体为何下落，还解释了行星如何围绕太阳公转，以及卫星如何围绕行星公转。例如，当你丢下一个球时，它会因地球的引力而落到地面，这是一种巨大的质量。同样，地球之所以围绕太阳公转，是因为两者之间的引力。这一定律使我们能够准确预测行星和其他天体的运动。此外，万有引力定律为科学和技术的众多进步铺平了道路。它导致了经典力学的发展，描述了物体在力的影响下的运动。这一框架对于工程、航空航天等多个领域至关重要，甚至在日常活动中，如开车和飞行飞机。工程师和科学家依赖于从万有引力定律中得出的原则来设计能够承受引力的结构、车辆和航天器。除了其实际应用外，万有引力定律还激发了对宇宙本质的哲学探究。它引发了关于所有事物之间相互关联及其支配力量的问题。宇宙中每个物体都受到其他物体引力的影响，这一观点暗示着宇宙的深刻统一。这种观点不仅影响了科学思想，也影响了文学、艺术和灵性。尽管在物理学中具有基础性作用，但万有引力定律也并非没有局限性。在20世纪初，阿尔伯特·爱因斯坦提出了广义相对论，扩展了牛顿的思想。爱因斯坦提出，引力不仅仅是一种力，而是由质量引起的时空弯曲。虽然万有引力定律在大多数日常情况下表现得非常好，但广义相对论提供了对引力更全面的理解，尤其是在极端条件下，如黑洞附近或宇宙尺度上。总之，万有引力定律是物理学的基石，塑造了我们对宇宙的理解。它能够解释地球和太空中物体的运动，对科学和技术产生了深远的影响。当我们继续探索宇宙的奥秘时，万有引力定律仍然是一个重要概念，将我们与支配我们存在的基本力量联系在一起。无论我们是在观察苹果的下落，还是在观察遥远星系的轨道，这一法则都提醒我们宇宙中复杂的关系。