principle of displacement

简明释义

迁移原理

英英释义

例句

1.The principle of displacement is crucial for understanding buoyancy and why ships float.

《排水原理》对于理解浮力和船只为何浮起至关重要。

2.The principle of displacement can be observed when measuring the volume of an irregular object using water.

使用水测量不规则物体的体积时，可以观察到《排水原理》。

3.The principle of displacement explains how objects submerged in water push aside a volume of water equal to their own volume.

《排水原理》解释了浸入水中的物体如何排开等于其自身体积的水量。

4.In physics classes, students learn the principle of displacement through experiments with different shaped objects.

在物理课上，学生通过不同形状物体的实验学习《排水原理》。

5.Engineers apply the principle of displacement when designing submarines to ensure they can dive and surface effectively.

工程师在设计潜艇时应用《排水原理》，以确保潜艇能够有效潜水和浮出水面。

作文

The principle of displacement is a fundamental concept in physics that describes how an object submerged in a fluid experiences an upward force equal to the weight of the fluid it displaces. This principle, first articulated by the ancient Greek scientist Archimedes, has profound implications across various fields, including engineering, buoyancy studies, and even everyday life. Understanding this principle allows us to comprehend why certain objects float while others sink, which is essential in designing ships, submarines, and other watercraft.To illustrate the principle of displacement, consider a simple experiment involving a glass of water and a small stone. When the stone is placed into the water, it pushes some of the water out of the way, causing the water level to rise. The amount of water displaced is directly related to the volume of the stone. If the stone is heavy enough, the weight of the water displaced will be less than the weight of the stone, causing it to sink. Conversely, if the stone is light enough, it will float, as the weight of the water displaced will equal the weight of the stone.This principle is not only applicable to solid objects but also plays a crucial role in understanding gases and liquids. For instance, hot air balloons operate on the principle of displacement. When the air inside the balloon is heated, it becomes less dense than the cooler air outside. As a result, the balloon displaces a volume of cooler air that weighs more than the heated air inside the balloon, allowing it to rise.In engineering, the principle of displacement is vital for designing vessels that can safely navigate through water. Naval architects rely on this principle to calculate the buoyancy and stability of ships. By ensuring that the ship displaces enough water to counterbalance its weight, they can prevent capsizing and ensure safe passage across oceans.Moreover, the principle of displacement has applications in environmental science, particularly in assessing the impact of human activities on aquatic ecosystems. For example, when large structures are built in rivers or lakes, they displace water and alter the natural flow patterns, which can affect local wildlife and plant life. Understanding how displacement works enables scientists and engineers to create better designs that minimize ecological disruption.In everyday life, we encounter the principle of displacement regularly, often without realizing it. When we fill a bathtub with water, the water level rises as we enter. This is a direct application of Archimedes’ discovery, showing how our bodies displace water. Such simple observations can lead to a deeper appreciation of the physical laws governing our world.In conclusion, the principle of displacement is a key concept that permeates various aspects of science and daily life. From understanding why objects float or sink to its applications in engineering and environmental science, this principle provides valuable insights into the behavior of fluids and solids. By grasping the principle of displacement, we can better appreciate the complexities of the physical world around us and make informed decisions in both scientific and practical contexts.

排水原理是物理学中的一个基本概念，描述了沉浸在流体中的物体所经历的向上力等于它所排开的流体的重量。这个原理最早由古希腊科学家阿基米德提出，对工程、浮力研究甚至日常生活都有深远的影响。理解这个原理使我们能够理解为什么某些物体会漂浮而其他物体会下沉，这在设计船只、潜艇和其他水上交通工具时至关重要。为了说明排水原理，可以考虑一个简单的实验，涉及一杯水和一块小石头。当石头放入水中时，它会推开一些水，导致水位上升。被排开的水量与石头的体积直接相关。如果石头重到一定程度，被排开的水的重量将小于石头的重量，导致它下沉。相反，如果石头足够轻，它将漂浮，因为被排开的水的重量将等于石头的重量。这个原理不仅适用于固体物体，还对理解气体和液体起着至关重要的作用。例如，热气球的操作就是基于排水原理。当气球内部的空气被加热时，它变得比外面的冷空气密度小。因此，气球排开了比气球内部加热空气更重的冷空气，从而使其上升。在工程学中，排水原理对设计能够安全航行的水上船只至关重要。海军建筑师依赖这一原理来计算船只的浮力和稳定性。通过确保船只排开足够的水以抵消其重量，他们可以防止翻覆，确保安全地穿越海洋。此外，排水原理在环境科学中也有应用，特别是在评估人类活动对水生生态系统的影响时。例如，当在河流或湖泊中建造大型结构时，它们会排开水并改变自然流动模式，这可能会影响当地的野生动物和植物。理解排水如何工作使科学家和工程师能够创造出更好的设计，以最小化生态干扰。在日常生活中，我们经常遇到排水原理，通常没有意识到。当我们用水填满浴缸时，水位会随着我们的进入而上升。这是阿基米德发现的直接应用，显示了我们的身体如何排开水。这种简单的观察可以引导我们更深入地欣赏支配我们世界的物理法则。总之，排水原理是一个关键概念，渗透到科学和日常生活的各个方面。从理解物体为何漂浮或下沉到其在工程和环境科学中的应用，这一原理为我们提供了有关流体和固体行为的宝贵见解。通过掌握排水原理，我们可以更好地欣赏周围物理世界的复杂性，并在科学和实践背景下做出明智的决策。