kinetic

简明释义

英[kɪˈnetɪk]美[kɪˈnetɪk]

adj. [力] 运动的；活跃的

英英释义

单词用法

同义词

反义词

例句

1.Friction must take kinetic energy out.

摩擦力一定抵消动能。

2.What now is the kinetic energy afterwards?

碰撞后动能是多少？

3.The balance of these federations is kinetic.

这些联盟的平衡是动态的。

4.So there was a certain amount of kinetic energy.

因此，这里有一定量的动能。

5.It has a certain amount of kinetic energy.

它有一定量的动能。

6.Kinetic energy was almost exclusively lost.

几乎没有动能。

7.We apply the kinetic analysis to investigate the role of the intersystem crossing.

我们应用动力学分析来研究系统间交叉的作用。

8.At kinetic relation.

在动力学关系中。

9.The car's kinetic 动能 energy increases as it speeds up on the highway.

汽车在高速公路上加速时，其动能能量增加。

10.In physics, kinetic 运动的 energy is the energy that an object possesses due to its motion.

在物理学中，运动的能量是物体因其运动而具有的能量。

11.The roller coaster's kinetic 动能 is at its maximum when it reaches the lowest point of the track.

过山车在轨道最低点时，其动能达到最大值。

12.Scientists study kinetic 动力学 to understand how particles move and interact.

科学家研究动力学以理解粒子的运动和相互作用。

13.The kinetic 运动的 energy of a baseball thrown at high speed can break windows.

高速投掷的棒球的运动的能量可以打破窗户。

作文

In the realm of physics, the term kinetic refers to the energy that an object possesses due to its motion. This concept is fundamental in understanding how objects interact with one another and the forces at play in our universe. For instance, when a car travels down a highway, it is not just moving; it is exhibiting kinetic energy that can be calculated based on its mass and velocity. The faster the car moves, the greater its kinetic energy becomes, which is why speed limits are enforced on roads to ensure safety. Understanding kinetic energy is crucial in various fields, including engineering, sports, and even environmental science. In engineering, for example, engineers must consider the kinetic energy of vehicles when designing safer roads and bridges. They analyze how the speed of traffic affects the structural integrity of these infrastructures, ensuring that they can withstand the forces exerted by moving vehicles. In the world of sports, athletes often rely on their kinetic energy to enhance their performance. A sprinter, for example, converts stored energy into kinetic energy as they push off the starting blocks, accelerating down the track. Coaches and trainers study the mechanics of movement to optimize an athlete's kinetic energy output, aiming for maximum efficiency and speed. Moreover, the principles of kinetic energy extend beyond physical objects. In environmental science, researchers explore how kinetic energy can be harnessed from natural phenomena, such as wind and water currents. Wind turbines, for example, convert the kinetic energy of moving air into electricity, providing a sustainable energy source that reduces our reliance on fossil fuels. This innovative use of kinetic energy demonstrates how understanding this concept can lead to advancements in technology and environmental conservation. The relationship between kinetic energy and potential energy is also worth noting. Potential energy is stored energy, waiting to be converted into kinetic energy. For instance, when a roller coaster climbs to the top of a hill, it gains potential energy. As it descends, this potential energy transforms into kinetic energy, propelling the coaster forward at high speeds. This interplay between different forms of energy is a key principle in physics and helps explain many natural phenomena. In conclusion, the concept of kinetic energy is integral to our understanding of motion and energy transfer. It plays a vital role in various fields, from engineering to sports and environmental science. By grasping the principles of kinetic energy, we can better appreciate the dynamics of the world around us and leverage this knowledge for innovation and improvement in our daily lives. Understanding the significance of kinetic energy not only enhances our comprehension of physical laws but also inspires us to explore new ways to utilize energy more effectively.

在物理学领域，术语kinetic指的是物体因其运动而拥有的能量。这个概念在理解物体之间的相互作用以及我们宇宙中存在的力量方面是基础性的。例如，当一辆汽车在高速公路上行驶时，它不仅仅是在移动；它表现出一种kinetic能量，这可以根据其质量和速度进行计算。汽车行驶得越快，其kinetic能量就越大，这就是为什么在道路上会实施速度限制以确保安全。 理解kinetic能量在各个领域都是至关重要的，包括工程、体育甚至环境科学。在工程学中，例如，工程师必须考虑车辆的kinetic能量，以设计更安全的道路和桥梁。他们分析交通速度如何影响这些基础设施的结构完整性，确保它们能够承受移动车辆施加的力量。 在体育世界中，运动员常常依赖他们的kinetic能量来提高表现。例如，短跑运动员在起跑器上发力时，将储存的能量转化为kinetic能量，向赛道加速。教练和训练师研究运动机制，以优化运动员的kinetic能量输出，旨在实现最大效率和速度。 此外，kinetic能量的原理超越了物理对象。在环境科学中，研究人员探索如何从自然现象中利用kinetic能量，例如风和水流。风力涡轮机就是一个例子，它将移动空气的kinetic能量转化为电力，提供一种可持续的能源来源，从而减少我们对化石燃料的依赖。这种创新利用kinetic能量的方式展示了理解这一概念如何推动技术和环境保护的进步。 值得注意的是，kinetic能量与势能之间的关系。势能是储存的能量，等待转化为kinetic能量。例如，当过山车爬到山顶时，它获得了势能。当它下降时，这种势能转化为kinetic能量，使过山车以高速向前推进。这种不同形式能量之间的相互作用是物理学中的关键原则，有助于解释许多自然现象。 总之，kinetic能量的概念对于我们理解运动和能量转移至关重要。它在各个领域发挥着重要作用，从工程到体育和环境科学。通过掌握kinetic能量的原理，我们可以更好地欣赏周围世界的动态，并利用这些知识在日常生活中进行创新和改进。理解kinetic能量的重要性不仅增强了我们对物理法则的理解，还激励我们探索更有效利用能源的新方法。