Newton's law of universal gravitation

简明释义

牛顿万有引力定律

英英释义

例句

1.The satellite's motion can be predicted using Newton's law of universal gravitation.

卫星的运动可以使用万有引力定律进行预测。

2.Astronomers rely on Newton's law of universal gravitation to calculate the gravitational forces between celestial bodies.

天文学家依赖万有引力定律来计算天体之间的引力。

3.In physics class, we learned about Newton's law of universal gravitation and how it explains the orbits of planets.

在物理课上，我们学习了万有引力定律以及它如何解释行星的轨道。

4.When studying black holes, scientists apply Newton's law of universal gravitation to understand their effects on surrounding stars.

在研究黑洞时，科学家应用万有引力定律来理解其对周围恒星的影响。

5.According to Newton's 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吸引着其他质量。

作文

The universe is a vast and complex place, filled with celestial bodies that interact in intricate ways. One of the fundamental principles that govern these interactions is 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 them. This law, formulated by Sir Isaac Newton in the 17th century, revolutionized our understanding of gravity and laid the groundwork for classical mechanics.To comprehend the implications of Newton's law of universal gravitation fully, we must first consider its components. The law can be mathematically expressed as F = G(m1 * m2) / r², where F is the gravitational force between two objects, G is the gravitational constant, m1 and m2 are the masses of the objects, and r is the distance between their centers. This equation reveals how the gravitational force increases with greater mass and decreases with increasing distance. It explains why the Earth, with its massive size, exerts a significant gravitational pull on objects, keeping us grounded.The significance of Newton's law of universal gravitation extends beyond just understanding why apples fall from trees. It provides a framework for predicting the motion of planets, moons, and even artificial satellites. For instance, when we launch a satellite into orbit, we rely on this law to determine the necessary speed and angle to ensure that it remains in a stable trajectory around the Earth. Without this understanding, space exploration would be nearly impossible.Moreover, Newton's law of universal gravitation also helps explain phenomena such as tides. The gravitational pull of the Moon and the Sun affects the Earth's oceans, causing the rise and fall of sea levels. This interaction highlights the interconnectedness of celestial bodies and the profound influence they have on one another.While Newton's law of universal gravitation was groundbreaking, it is essential to note that it has limitations. It does not account for the effects of relativity, which become significant in extreme conditions, such as near a black hole or at very high speeds. Albert Einstein's theory of general relativity expanded upon Newton's work, providing a more comprehensive understanding of gravity. However, Newton's law remains remarkably accurate for most everyday applications and is still widely used in various fields, including engineering and astronomy.In conclusion, Newton's law of universal gravitation is a cornerstone of physics that offers insights into the behavior of objects in the universe. Its ability to explain and predict gravitational interactions has made it an indispensable tool in science. As we continue to explore the cosmos and deepen our understanding of the universe, the principles established by Newton will undoubtedly remain relevant, guiding future discoveries and innovations. Whether we are studying the orbits of distant planets or simply observing the world around us, the impact of Newton's law of universal gravitation is ever-present, reminding us of the beauty and complexity of the natural world.

宇宙是一个广阔而复杂的地方，充满了以复杂方式相互作用的天体。支配这些相互作用的基本原则之一是牛顿万有引力定律，它指出，宇宙中的每个质量都以与其质量的乘积成正比、与它们之间距离的平方成反比的力量吸引着其他每个质量。这一定律由艾萨克·牛顿爵士在17世纪提出，彻底改变了我们对重力的理解，并为经典力学奠定了基础。要充分理解牛顿万有引力定律的含义，我们必须首先考虑其组成部分。该定律可以用数学公式表示为F = G(m1 * m2) / r²，其中F是两个物体之间的引力，G是引力常数，m1和m2是物体的质量，r是它们中心之间的距离。这个方程揭示了引力如何随着质量的增加而增加，以及随着距离的增加而减少。它解释了为什么地球因其巨大的体积而对物体施加显著的引力，使我们保持在地面上。牛顿万有引力定律的重要性超越了理解苹果为何从树上掉落的范畴。它为预测行星、月球甚至人造卫星的运动提供了框架。例如，当我们发射卫星进入轨道时，我们依赖这一定律来确定保持其在地球周围稳定轨迹所需的速度和角度。如果没有这种理解，太空探索几乎是不可能的。此外，牛顿万有引力定律还帮助解释潮汐现象。月球和太阳的引力影响着地球的海洋，导致海平面的升降。这种相互作用突显了天体之间的相互联系以及它们彼此之间的深远影响。虽然牛顿万有引力定律是开创性的，但重要的是要注意它存在局限性。它没有考虑相对论的影响，而相对论在极端条件下（例如靠近黑洞或在非常高的速度下）变得显著。阿尔伯特·爱因斯坦的广义相对论扩展了牛顿的工作，提供了对重力更全面的理解。然而，牛顿的定律在大多数日常应用中仍然非常准确，并且在工程和天文学等各个领域仍被广泛使用。总之，牛顿万有引力定律是物理学的基石，为我们提供了对宇宙中物体行为的深入见解。它能够解释和预测引力相互作用，使其成为科学中不可或缺的工具。随着我们继续探索宇宙并加深对宇宙的理解，牛顿建立的原则无疑将继续保持相关性，指导未来的发现和创新。无论我们是在研究遥远行星的轨道，还是仅仅观察我们周围的世界，牛顿万有引力定律的影响始终存在，提醒我们自然界的美丽和复杂性。