inelastic collision

简明释义

非弹性碰撞

英英释义

例句

1.When a football player tackles another player, they often experience an inelastic collision that results in both players falling to the ground.

当一名足球运动员铲倒另一名运动员时，他们通常会经历一次非弹性碰撞，导致两名运动员摔倒在地。

2.The experiment demonstrated that during an inelastic collision, the objects stick together after impact.

实验表明，在一次非弹性碰撞中，物体在碰撞后会粘在一起。

3.In physics class, we learned that an inelastic collision occurs when two objects collide and do not bounce apart.

在物理课上，我们了解到，当两个物体碰撞并且不反弹时，会发生非弹性碰撞。

4.In an inelastic collision, the two cars crumple together, demonstrating how momentum is conserved but kinetic energy is not.

在一次非弹性碰撞中，两辆车相互压扁，展示了动量是守恒的，但动能却不是。

5.The car crash was a classic example of an inelastic collision where both vehicles were damaged significantly.

这场车祸是一次典型的非弹性碰撞例子，两辆车都受到严重损坏。

作文

In the realm of physics, understanding the various types of collisions is crucial for grasping fundamental concepts. One significant type of collision is known as an inelastic collision, which occurs when two objects collide and do not bounce apart completely, resulting in a loss of kinetic energy. This phenomenon can be observed in everyday life, such as when two cars crash into each other. Unlike elastic collisions, where both momentum and kinetic energy are conserved, inelastic collisions only conserve momentum. This means that the total momentum before the collision equals the total momentum afterward, but some energy is transformed into other forms, such as heat or sound.To illustrate this concept, consider a simple example involving two balls. If a rubber ball (which approximates an elastic collision) is dropped onto a hard surface, it will bounce back to nearly its original height due to the conservation of kinetic energy. In contrast, if two clay balls collide, they will stick together and move as one mass after the collision. This sticking together is characteristic of an inelastic collision, where the kinetic energy is not conserved because some of it is converted into deformation of the clay and heat.The implications of inelastic collisions extend beyond theoretical physics; they play a vital role in engineering and safety design. For instance, automotive engineers must consider how vehicles behave during crashes. By designing crumple zones that absorb energy, they enhance passenger safety. During a collision, the car's structure deforms, absorbing energy that would otherwise be transferred to the occupants. This real-world application of inelastic collision principles showcases the importance of understanding these concepts in practical scenarios.Moreover, the study of inelastic collisions is essential in sports science. When athletes engage in contact sports like football or rugby, understanding how players collide can help improve strategies and reduce injuries. Coaches and trainers analyze the mechanics of these impacts to develop techniques that minimize the risk of harm while maximizing performance. The physical principles behind inelastic collisions inform training regimens and safety protocols, demonstrating the pervasive influence of physics in our lives.In conclusion, the concept of inelastic collision is not merely an abstract idea confined to textbooks; it is a fundamental aspect of physics that has practical applications in various fields, including engineering, safety, and sports science. By recognizing the characteristics and consequences of inelastic collisions, we can better understand the world around us and make informed decisions based on scientific principles. Whether it’s designing safer vehicles or training athletes, the principles governing inelastic collisions continue to shape our understanding and interaction with physical phenomena.

在物理学领域，理解各种类型的碰撞对于掌握基本概念至关重要。其中一个重要的碰撞类型被称为非弹性碰撞，当两个物体碰撞并没有完全弹开时，就会发生这种情况，导致动能的损失。这种现象可以在日常生活中观察到，例如当两辆车相撞时。与弹性碰撞不同，弹性碰撞中动量和动能都得以守恒，而非弹性碰撞仅守恒动量。这意味着碰撞前的总动量等于碰撞后的总动量，但一些能量转化为其他形式，比如热能或声能。为了说明这一概念，可以考虑一个简单的例子，涉及两个球。如果一个橡胶球（近似于弹性碰撞）掉落到硬表面上，它将由于动能的守恒而几乎弹回到原来的高度。相反，如果两个粘土球相撞，它们将粘在一起，并作为一个整体移动。这种粘在一起的现象是非弹性碰撞的特征，其中动能并不守恒，因为其中一部分被转化为粘土的变形和热能。非弹性碰撞的影响超越了理论物理，它在工程和安全设计中发挥着至关重要的作用。例如，汽车工程师必须考虑车辆在碰撞中的表现。通过设计吸能区来吸收能量，他们增强了乘客的安全性。在碰撞过程中，汽车的结构变形，吸收了本来会传递给乘员的能量。这种非弹性碰撞原理的实际应用展示了理解这些概念在实际场景中的重要性。此外，研究非弹性碰撞在运动科学中也至关重要。当运动员参与足球或橄榄球等接触性运动时，理解球员之间的碰撞可以帮助改善策略并减少受伤风险。教练和训练师分析这些冲击的力学，以制定减小伤害风险、提高表现的技术。支配非弹性碰撞的物理原理为训练方案和安全协议提供了信息，展示了物理学在我们生活中的广泛影响。总之，非弹性碰撞的概念不仅仅是局限于教科书中的抽象思想；它是物理学的一个基本方面，在工程、安全和运动科学等多个领域具有实际应用。通过认识非弹性碰撞的特征和后果，我们可以更好地理解我们周围的世界，并基于科学原理做出明智的决策。无论是设计更安全的车辆还是训练运动员，支配非弹性碰撞的原理继续塑造我们对物理现象的理解和互动。