gravity force

简明释义

重力

英英释义

例句

1.The gravity force 重力 between two objects increases as their mass increases.

两个物体之间的gravity force 重力随着它们的质量增加而增加。

2.The gravity force 重力 acting on the apple caused it to fall from the tree.

苹果受到的gravity force 重力使它从树上掉落。

3.The gravity force 重力 on Earth is approximately 9.81 m/s².

地球上的gravity force 重力大约是9.81米每秒平方。

4.When you jump, the gravity force 重力 pulls you back down to the ground.

当你跳起来时，gravity force 重力把你拉回地面。

5.Astronauts experience a reduced gravity force 重力 in space, making them float.

宇航员在太空中经历的gravity force 重力减少，使他们漂浮。

作文

Gravity is one of the fundamental forces of nature that governs the motion of objects in the universe. The term gravity force refers to the attractive force that pulls two masses toward each other. This force is not only responsible for keeping us grounded on Earth, but it also plays a crucial role in the orbits of planets and moons. Understanding gravity force is essential for comprehending various phenomena in both physics and everyday life.The concept of gravity force was famously described by Sir Isaac Newton in the 17th century. He proposed that every object with mass exerts an attractive force on every other object with mass. This relationship is quantified by Newton's law of universal gravitation, which states that the gravity force between two objects is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers. In simpler terms, the more massive an object is, the stronger its gravity force, and the farther apart two objects are, the weaker the gravity force between them becomes.On Earth, the gravity force is approximately 9.81 m/s², which means that any object falling freely towards the ground will accelerate at this rate. This acceleration is what gives us weight; our bodies experience the gravity force pulling us downwards, which is why we feel heavier when standing still. However, in space, away from significant gravitational influences, objects can float freely, demonstrating how the gravity force diminishes with distance.The gravity force also explains why planets orbit stars and moons orbit planets. For example, the Earth orbits the Sun due to the immense gravity force exerted by the Sun's mass. This gravitational pull keeps the Earth in a stable orbit, preventing it from drifting away into space. Similarly, the Moon remains in orbit around the Earth because of the gravity force that the Earth exerts on it. These celestial mechanics are essential for understanding the structure and dynamics of our solar system.In addition to its role in astronomy, the gravity force has practical implications in various fields such as engineering, architecture, and even sports. Engineers must account for gravity force when designing buildings and bridges to ensure they can withstand the weight of the materials and any occupants. In sports, athletes often train to enhance their performance by optimizing their movements against the gravity force to achieve greater heights or distances.Moreover, the study of gravity force has led to significant advancements in technology. For instance, understanding gravitational forces has been crucial in the development of satellite technology, allowing for accurate positioning and navigation systems. GPS relies on satellites that orbit the Earth, and their functionality is deeply rooted in the principles of gravity force.In conclusion, the gravity force is a vital aspect of our universe that affects everything from the smallest particles to the largest celestial bodies. Its influence is felt in our daily lives and is fundamental to many scientific disciplines. By studying and understanding gravity force, we gain insight into the workings of the universe and our place within it. As we continue to explore and learn more about this force, we unlock new possibilities for technology and deepen our understanding of the natural world.

重力是自然界的基本力量之一，支配着宇宙中物体的运动。术语gravity force指的是将两个质量相互吸引的力量。这种力量不仅负责让我们在地球上立足，而且在行星和月球的轨道中也起着至关重要的作用。理解gravity force对于理解物理学和日常生活中的各种现象至关重要。gravity force的概念在17世纪由艾萨克·牛顿爵士首次提出。他认为，每个有质量的物体都会对每个其他有质量的物体施加吸引力。这种关系通过牛顿的万有引力定律得以量化，该定律指出，两个物体之间的gravity force与它们的质量乘积成正比，与它们中心之间距离的平方成反比。简单来说，物体的质量越大，它的gravity force就越强，而两个物体之间的距离越远，它们之间的gravity force就越弱。在地球上，gravity force约为9.81米/秒²，这意味着任何自由落向地面的物体将以这个速度加速。这个加速度就是给我们带来重量的原因；我们的身体感受到gravity force向下拉动，这就是为什么我们站着时会感觉更重。然而，在远离显著重力影响的太空中，物体可以自由漂浮，展示了gravity force如何随距离减弱。gravity force还解释了行星为何围绕恒星旋转，月球为何围绕行星旋转。例如，地球之所以围绕太阳旋转，是因为太阳的巨大gravity force。这种引力使地球保持在稳定的轨道上，防止它漂流到太空中。同样，月球之所以围绕地球旋转，是因为地球对它施加的gravity force。这些天体力学对于理解我们太阳系的结构和动态至关重要。除了在天文学中的作用，gravity force在工程、建筑甚至体育等多个领域也具有实际意义。工程师在设计建筑物和桥梁时必须考虑gravity force，以确保它们能够承受材料和任何居住者的重量。在体育运动中，运动员常常通过优化他们的动作来对抗gravity force，以实现更高或更远的表现。此外，对gravity force的研究促进了技术的重大进步。例如，理解重力在卫星技术的发展中至关重要，使得准确定位和导航系统成为可能。GPS依赖于环绕地球的卫星，其功能深深植根于gravity force的原理中。总之，gravity force是影响从最小粒子到最大天体的宇宙的重要方面。它的影响在我们的日常生活中随处可见，并且是许多科学学科的基础。通过研究和理解gravity force，我们可以深入了解宇宙的运作及我们在其中的位置。随着我们继续探索和学习更多关于这种力量的知识，我们为技术开辟了新可能性，并加深了对自然世界的理解。