force of reaction

简明释义

反力

英英释义

例句

1.During a car crash, the force of reaction 反作用力 from the impact can cause severe damage to both vehicles.

在汽车碰撞中，来自冲击的反作用力 force of reaction 可以对两辆车造成严重损害。

2.In gymnastics, when a gymnast lands, the force of reaction 反作用力 from the mat helps cushion their fall.

在体操中，当运动员着陆时，垫子产生的反作用力 force of reaction 有助于缓冲他们的跌落。

3.In swimming, when a swimmer pushes against the water, the force of reaction 反作用力 propels them forward.

在游泳中，当游泳者推动水时，反作用力 force of reaction 将他们向前推进。

4.The safety features in modern cars are designed to absorb the force of reaction 反作用力 during a collision.

现代汽车的安全功能旨在吸收碰撞期间的反作用力 force of reaction。

5.When a rocket launches, the engines produce a strong thrust, and the force of reaction 反作用力 pushes it upwards.

当火箭发射时，发动机产生强大的推力，而反作用力 force of reaction 将其向上推送。

作文

In the realm of physics, the concept of the force of reaction is fundamental to understanding how objects interact with one another. According to Newton's Third Law of Motion, for every action, there is an equal and opposite reaction. This principle can be observed in various real-life scenarios, from the simple act of walking to the complex dynamics of rocket propulsion. When a person walks, they push against the ground with their feet. The ground, in turn, exerts an equal and opposite force back on the person's feet. This force of reaction allows the individual to move forward. Without this interaction, walking would be impossible, as there would be no friction or support to propel the body. Similarly, in the context of rocket science, when a rocket expels gas downwards at high speed, it experiences a force of reaction that pushes it upwards. This is a practical application of Newton's law, demonstrating how the expulsion of mass results in movement in the opposite direction. The force of reaction is what allows rockets to break free from Earth's gravitational pull and travel into space. Understanding the force of reaction also has implications beyond just physics; it extends into various fields such as engineering, sports, and even everyday activities. Engineers must consider these forces when designing structures and vehicles, ensuring they can withstand the stresses and strains caused by various reactions. In sports, athletes use the force of reaction to enhance their performance, whether it's a basketball player jumping off the ground or a swimmer pushing off the pool wall. Moreover, the force of reaction plays a crucial role in our understanding of safety and accident prevention. For instance, when a car collides with another object, the forces involved can be analyzed to improve vehicle design and reduce injuries. By studying the force of reaction, engineers can create safer cars that better absorb impact and protect passengers. In conclusion, the force of reaction is a vital concept that permeates many aspects of our lives. From the simple act of walking to the complex mechanics of rocket launches, this principle helps us understand the interactions between forces. By grasping the significance of the force of reaction, we can apply this knowledge to innovate, improve safety, and enhance our daily experiences. As we continue to explore the universe and develop new technologies, the importance of this fundamental force will undoubtedly remain a cornerstone of scientific inquiry and practical application.

在物理学领域，反作用力的概念对于理解物体之间的相互作用至关重要。根据牛顿的第三运动定律，每个动作都有一个相等且相反的反应。这个原则可以在各种现实生活场景中观察到，从简单的走路行为到复杂的火箭推进动力学。当一个人走路时，他们用脚向地面施加压力。地面反过来也对人的脚施加相等且相反的力量。这种反作用力使个人能够向前移动。如果没有这种相互作用，走路将是不可能的，因为没有摩擦力或支持来推动身体。同样，在火箭科学的背景下，当火箭以高速度向下排放气体时，它会感受到一种反作用力，将其推向上方。这是牛顿定律的实际应用，展示了质量的排放如何导致朝相反方向的运动。反作用力使火箭能够摆脱地球的引力，飞向太空。理解反作用力也超越了物理学的范畴；它扩展到工程、体育甚至日常活动等多个领域。工程师在设计结构和车辆时必须考虑这些力，确保它们能够承受由各种反应引起的压力和拉伸。在体育运动中，运动员利用反作用力来提高表现，无论是篮球运动员从地面跳起，还是游泳运动员从泳池壁上起跳。此外，反作用力在我们的安全和事故预防理解中发挥着关键作用。例如，当一辆车与另一个物体相撞时，可以分析涉及的力量，以改进车辆设计并减少伤害。通过研究反作用力，工程师可以创建更安全的汽车，更好地吸收冲击并保护乘客。总之，反作用力是一个重要的概念，渗透到我们生活的许多方面。从简单的走路行为到复杂的火箭发射机制，这一原则帮助我们理解力之间的相互作用。通过掌握反作用力的重要性，我们可以将这一知识应用于创新、改善安全，并提升我们的日常体验。随着我们继续探索宇宙并开发新技术，这一基本力量的重要性无疑将继续成为科学研究和实际应用的基石。