universal gravitation

简明释义

万有引力

英英释义

例句

1.The effects of universal gravitation can be observed in everyday life, such as when objects fall.

在日常生活中可以观察到万有引力的影响，比如物体下落时。

2.Understanding universal gravitation allows us to predict the motion of satellites.

理解万有引力使我们能够预测卫星的运动。

3.The concept of universal gravitation is fundamental in understanding how planets orbit the sun.

理解行星如何围绕太阳运行的基本概念是万有引力。

4.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。

5.The formula for universal gravitation helps scientists calculate the force between two masses.

用于计算两个质量之间的力的公式是万有引力。

作文

The concept of universal gravitation has played a pivotal role in our understanding of the natural world. Proposed by Sir Isaac Newton in the late 17th century, this law states that every particle of matter in the universe attracts every other particle with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them. In simpler terms, it means that larger objects exert a stronger gravitational pull, while the distance between them affects how strong that pull is. The implications of universal gravitation extend beyond mere theory; they have practical applications in various fields such as astronomy, engineering, and even daily life.To fully appreciate the significance of universal gravitation, one must consider its impact on celestial bodies. For instance, the orbits of planets around the sun can be accurately predicted using this law. Without universal gravitation, our understanding of planetary motion would be vastly different. It helps explain why Earth and other planets maintain their orbits and why they do not drift away into space. This principle also applies to moons orbiting planets, where the gravitational force keeps them bound in their paths.Moreover, universal gravitation is essential for understanding phenomena such as tides. The gravitational pull of the moon and, to a lesser extent, the sun, causes the rise and fall of ocean levels. This interaction showcases the tangible effects of universal gravitation on Earth’s environment, influencing ecosystems and human activities alike.In addition to its astronomical significance, universal gravitation also has implications in engineering and technology. For example, when designing structures such as bridges or skyscrapers, engineers must account for gravitational forces to ensure stability and safety. The principles derived from universal gravitation guide the calculations that determine how much weight a structure can hold and how it will respond to external forces.Furthermore, the understanding of universal gravitation has led to advancements in space exploration. By applying this principle, scientists can calculate trajectories for spacecraft, ensuring they reach their destinations effectively. Missions to the moon, Mars, and beyond rely heavily on the laws of gravity to navigate the vastness of space.In conclusion, the concept of universal gravitation is fundamental to both our theoretical understanding of the universe and practical applications in various fields. Its discovery marked a significant milestone in science, allowing us to comprehend the forces that govern the cosmos. As we continue to explore and learn more about our universe, the principles of universal gravitation will undoubtedly remain at the forefront of scientific inquiry, guiding our understanding of everything from the smallest particles to the largest galaxies. The beauty of this law lies in its simplicity and universal applicability, making it one of the cornerstones of modern physics and a testament to human curiosity and ingenuity.

“万有引力”这一概念在我们理解自然界中发挥了关键作用。这个定律是由艾萨克·牛顿爵士在17世纪末提出的，表明宇宙中每一个物体都以一种力吸引着其他所有物体，这种力与它们的质量的乘积成正比，与它们之间距离的平方成反比。简单来说，这意味着较大的物体会施加更强的引力，而它们之间的距离会影响这种引力的强度。“万有引力”的意义不仅限于理论，它在天文学、工程学乃至日常生活等多个领域都有实际应用。要充分理解“万有引力”的重要性，必须考虑它对天体的影响。例如，行星围绕太阳的轨道可以通过这个定律准确预测。如果没有“万有引力”，我们对行星运动的理解将截然不同。它帮助解释了地球和其他行星为何保持其轨道，以及它们为何不会漂离太空。这个原理也适用于围绕行星运行的卫星，引力使它们保持在各自的轨道上。此外，“万有引力”对于理解潮汐现象也至关重要。月球的引力以及太阳的引力（程度较小）导致海洋水位的升降。这种相互作用展示了“万有引力”对地球环境的切实影响，影响着生态系统和人类活动。除了天文学的重要性，“万有引力”在工程和技术方面也有影响。例如，在设计桥梁或摩天大楼等结构时，工程师必须考虑引力以确保稳定性和安全性。源于“万有引力”的原理指导着确定结构承重能力和外部力量反应的计算。此外，对“万有引力”的理解推动了太空探索的进步。通过应用这一原理，科学家可以计算航天器的轨迹，确保它们有效到达目的地。前往月球、火星及更远地方的任务在很大程度上依赖于引力法则来导航浩瀚的太空。总之，“万有引力”这一概念是我们对宇宙的理论理解和各个领域的实际应用的基础。它的发现标志着科学的一个重要里程碑，使我们能够理解支配宇宙的力量。随着我们继续探索和了解更多关于宇宙的知识，“万有引力”的原理无疑将始终处于科学研究的前沿，指导我们对从最小粒子到最大星系的理解。这一法则的美在于它的简单性和普遍适用性，使其成为现代物理学的基石之一，彰显了人类的好奇心和创造力。