law of conservation of energy

简明释义

能量守恒定律

英英释义

例句

1.The law of conservation of energy explains why a pendulum eventually comes to a stop; energy is lost to friction and air resistance.

当摆锤最终停止时，能量守恒定律解释了这一现象；能量因摩擦和空气阻力而损失。

2.In renewable energy discussions, the law of conservation of energy reminds us that we are merely converting one form of energy to another.

在可再生能源的讨论中，能量守恒定律提醒我们，我们只是将一种能量形式转化为另一种。

3.In physics class, we learned about the law of conservation of energy, which states that energy cannot be created or destroyed, only transformed.

在物理课上，我们学习了能量守恒定律，它表明能量不能被创造或毁灭，只能转化。

4.The law of conservation of energy is crucial for understanding how roller coasters work; they convert potential energy into kinetic energy as they descend.

理解过山车如何运作，能量守恒定律至关重要；它们在下降时将势能转化为动能。

5.When designing engines, engineers must consider the law of conservation of energy to maximize efficiency.

在设计发动机时，工程师必须考虑能量守恒定律以最大化效率。

作文

The law of conservation of energy states that energy cannot be created or destroyed; it can only be transformed from one form to another. This fundamental principle is crucial in understanding various phenomena in the physical world. For instance, consider a simple pendulum. As it swings back and forth, its energy continuously changes between potential energy and kinetic energy. When the pendulum is at its highest point, it possesses maximum potential energy and minimal kinetic energy. Conversely, at the lowest point of its swing, the pendulum has maximum kinetic energy and minimal potential energy. Throughout this process, the total energy remains constant, illustrating the law of conservation of energy in action.This principle also plays a significant role in various fields, including physics, engineering, and environmental science. In physics, the law of conservation of energy helps us understand the behavior of objects in motion, the transfer of heat, and even the functioning of machines. Engineers rely on this law when designing systems to ensure that energy is used efficiently and sustainably. For example, in electrical engineering, the conversion of electrical energy into mechanical energy in motors adheres to this law, ensuring that energy losses are minimized.In environmental science, the law of conservation of energy is vital for understanding ecosystems and energy flow within them. Plants convert solar energy into chemical energy through photosynthesis, and this energy is then transferred through the food chain as animals consume plants and each other. The total amount of energy in the ecosystem remains constant, although it changes forms as it moves from one organism to another. This understanding is essential for developing sustainable practices that minimize energy waste and promote ecological balance.Moreover, the law of conservation of energy has implications beyond scientific theories; it influences our daily lives and decision-making processes. For instance, when we consider energy consumption in our homes, the law reminds us that energy efficiency is crucial. By using energy-efficient appliances or renewable energy sources like solar panels, we can reduce our overall energy consumption without sacrificing comfort or convenience. This awareness is increasingly important in combating climate change and promoting sustainable living.In conclusion, the law of conservation of energy is a foundational concept that permeates various aspects of science and everyday life. It teaches us that while energy may change forms, the total amount remains constant. Understanding this principle not only enhances our comprehension of the physical world but also encourages responsible energy use and sustainable practices. As we face global challenges such as climate change and resource depletion, the law of conservation of energy serves as a guiding principle for innovation and environmental stewardship. By embracing this law, we can work towards a more sustainable future, ensuring that energy is used wisely and efficiently for generations to come.

能量守恒定律表明，能量不能被创造或销毁；它只能从一种形式转化为另一种形式。这个基本原理对于理解物理世界中的各种现象至关重要。例如，考虑一个简单的摆。当它来回摆动时，其能量不断在势能和动能之间变化。当摆达到最高点时，它具有最大的势能和最小的动能。相反，在摆动的最低点，摆具有最大的动能和最小的势能。在这个过程中，总能量保持不变，生动地展示了能量守恒定律的作用。这一原则在物理学、工程学和环境科学等多个领域中都发挥着重要作用。在物理学中，能量守恒定律帮助我们理解运动物体的行为、热量的传递，甚至机器的运作。工程师在设计系统时依赖于这一法则，以确保能量的高效和可持续使用。例如，在电气工程中，电能转化为机械能的电动机遵循这一法则，确保能量损耗降到最低。在环境科学中，能量守恒定律对于理解生态系统及其内部能量流动至关重要。植物通过光合作用将太阳能转化为化学能，这种能量随后通过食物链转移，动物食用植物和彼此。生态系统中的总能量保持不变，尽管它在不同生物之间转化。这一理解对于制定减少能量浪费和促进生态平衡的可持续实践至关重要。此外，能量守恒定律不仅影响科学理论，还影响我们的日常生活和决策过程。例如，当我们考虑家庭中的能量消耗时，该法则提醒我们，能量效率至关重要。通过使用节能电器或可再生能源（如太阳能电池板），我们可以在不牺牲舒适性或便利性的情况下减少整体能量消耗。这种意识在应对气候变化和促进可持续生活方面变得越来越重要。总之，能量守恒定律是一个基础概念，渗透到科学和日常生活的各个方面。它教会我们，虽然能量可能会改变形式，但总量保持不变。理解这一原理不仅增强了我们对物理世界的理解，还鼓励负责任的能量使用和可持续实践。在面对气候变化和资源枯竭等全球挑战时，能量守恒定律为创新和环境管理提供了指导原则。通过拥抱这一法则，我们可以朝着更可持续的未来迈进，确保能量明智而高效地使用，为后代创造更好的环境。