coefficient of restitution

简明释义

恢复系数

英英释义

例句

1.A rubber ball typically has a high coefficient of restitution, allowing it to bounce back effectively.

橡胶球通常具有高弹性恢复系数coefficient of restitution，使其能够有效反弹。

2.The coefficient of restitution between two surfaces can determine how much energy is lost during a collision.

两个表面之间的弹性恢复系数coefficient of restitution可以决定碰撞过程中损失了多少能量。

3.The coefficient of restitution measures how elastic a collision is, with a value of 1 indicating a perfectly elastic collision.

弹性恢复系数coefficient of restitution衡量碰撞的弹性，值为1表示完全弹性碰撞。

4.In sports like basketball, the coefficient of restitution of the ball affects how high it bounces after hitting the ground.

在篮球等运动中，球的弹性恢复系数coefficient of restitution影响它落地后反弹的高度。

5.Engineers must consider the coefficient of restitution when designing safety features for vehicles to minimize impact damage.

工程师在设计车辆安全特性时必须考虑弹性恢复系数coefficient of restitution以最小化碰撞损害。

作文

The concept of the coefficient of restitution is fundamental in the study of physics, particularly in mechanics. It describes the elastic properties of colliding bodies and plays a crucial role in understanding how objects interact during collisions. The coefficient of restitution is defined as the ratio of the relative velocity of separation to the relative velocity of approach between two colliding bodies. This dimensionless number provides insight into the energy loss during a collision and indicates whether the collision is elastic or inelastic. An elastic collision is characterized by a coefficient of restitution equal to 1, meaning that kinetic energy is conserved, while an inelastic collision has a coefficient of restitution less than 1, indicating that some kinetic energy has been transformed into other forms of energy, such as heat or sound.Understanding the coefficient of restitution is essential for various applications, including sports, automotive safety, and material science. For instance, in sports like basketball or tennis, the coefficient of restitution of the ball affects how high it bounces after hitting the ground or a racket. A higher coefficient of restitution means a better bounce, which can influence the performance of players and the dynamics of the game.In automotive safety, the coefficient of restitution is vital for crash testing and vehicle design. Engineers must consider how vehicles will behave upon impact to ensure the safety of passengers. By analyzing the coefficient of restitution, they can determine how much energy is absorbed during a crash and how much is retained, which ultimately influences the design of crumple zones and safety features.Moreover, in material science, different materials exhibit varying coefficient of restitution values, which can affect their suitability for specific applications. For example, rubber has a high coefficient of restitution, making it ideal for tires, as it allows for effective energy transfer and grip on the road. In contrast, materials with a low coefficient of restitution may be used where energy absorption is desirable, such as in protective padding or shock absorbers.The coefficient of restitution also finds relevance in engineering and physics education. Students learn about it through experiments involving collisions of balls or carts, allowing them to visualize and quantify the principles of momentum and energy conservation. By measuring the coefficient of restitution, students gain hands-on experience with concepts that are crucial for understanding the physical world.In conclusion, the coefficient of restitution is a significant parameter in physics that helps describe the behavior of colliding bodies. Its applications span various fields, from sports to automotive safety and material science. By grasping the implications of the coefficient of restitution, one can appreciate the intricate balance of energy during collisions and its importance in real-world scenarios. As we continue to explore and innovate in technology and science, the understanding of such fundamental concepts remains pivotal for advancements and safety in our daily lives.

“恢复系数”是物理学研究中的一个基本概念，尤其是在力学领域。它描述了碰撞物体的弹性特性，并在理解物体在碰撞过程中的相互作用中发挥着至关重要的作用。“恢复系数”被定义为两个碰撞物体之间相对分离速度与相对接近速度的比率。这个无量纲数值提供了碰撞过程中能量损失的洞察，并指示碰撞是弹性的还是非弹性的。弹性碰撞的特征是“恢复系数”等于1，意味着动能得以守恒，而非弹性碰撞则具有小于1的“恢复系数”，表明一些动能已转化为其他形式的能量，例如热或声。理解“恢复系数”对于各种应用至关重要，包括体育、汽车安全和材料科学。例如，在篮球或网球等运动中，球的“恢复系数”影响它在击中地面或球拍后反弹的高度。较高的“恢复系数”意味着更好的反弹，这可能会影响运动员的表现和比赛的动态。在汽车安全方面，“恢复系数”对于碰撞测试和车辆设计至关重要。工程师必须考虑车辆在碰撞时的行为，以确保乘客的安全。通过分析“恢复系数”，他们可以确定在碰撞过程中吸收了多少能量，以及保留了多少能量，这最终影响了碰撞区和安全特性的设计。此外，在材料科学中，不同材料表现出不同的“恢复系数”，这可能会影响它们在特定应用中的适用性。例如，橡胶具有较高的“恢复系数”，使其非常适合用于轮胎，因为它允许有效的能量传递和道路抓地力。相反，具有低“恢复系数”的材料可能用于需要能量吸收的地方，例如保护垫或减震器。“恢复系数”还在工程和物理教育中具有相关性。学生通过涉及球或小车碰撞的实验来学习这一点，使他们能够可视化和量化动量和能量守恒的原理。通过测量“恢复系数”，学生获得了与理解物理世界至关重要的概念的实践经验。总之，“恢复系数”是物理学中一个重要的参数，有助于描述碰撞物体的行为。它的应用跨越多个领域，从体育到汽车安全和材料科学。通过掌握“恢复系数”的含义，人们可以欣赏碰撞过程中能量的微妙平衡及其在现实场景中的重要性。随着我们继续探索和创新技术与科学，对这些基本概念的理解仍然是我们日常生活中进步和安全的关键。