retarding force

简明释义

减速力

英英释义

例句

1.In physics, the retarding force 阻力 acts opposite to the direction of motion.

在物理学中，阻力与运动方向相反。

2.The car experienced a significant retarding force 阻力 when the brakes were applied suddenly.

当刹车突然被施加时，汽车经历了显著的阻力。

3.The cyclist felt a strong retarding force 阻力 when riding against the wind.

当骑自行车逆风而行时，骑行者感受到强烈的阻力。

4.When the rocket ascends, the gravitational retarding force 阻力 must be overcome.

当火箭上升时，必须克服重力造成的阻力。

5.The retarding force 阻力 caused by air resistance can slow down a falling object.

空气阻力造成的阻力可以减缓下落物体的速度。

作文

In the realm of physics, the concept of force plays a critical role in understanding how objects interact with one another. Among these forces, the term retarding force refers to any force that opposes the motion of an object, causing it to slow down. This principle can be observed in various everyday scenarios, from the friction between a sliding book and a table to the air resistance experienced by a cyclist as they speed down a hill. Understanding retarding force is essential for students and professionals alike, as it helps us predict the behavior of moving objects under various conditions.To illustrate the significance of retarding force, consider the example of a car traveling at high speed. As the driver applies the brakes, the car begins to decelerate due to the retarding force generated by the friction between the brake pads and the wheels. This force not only slows down the car but also ensures the safety of the passengers by allowing the vehicle to come to a stop. Without the presence of this force, the car would continue to move forward indefinitely, posing a danger to both the occupants and other road users.Another example can be found in the world of sports. Athletes often experience retarding force when they run against strong winds. The wind acts as a barrier, making it more difficult for them to maintain their speed. In such situations, athletes must exert additional effort to overcome the retarding force of the wind, which can impact their performance. This phenomenon highlights the importance of understanding the forces at play in competitive environments, as it can influence training strategies and race outcomes.In addition to practical applications, the concept of retarding force also has theoretical implications in physics. For instance, when studying the motion of projectiles, scientists must account for the retarding force of air resistance. This force affects the trajectory and distance traveled by the projectile, making it essential for accurate predictions in fields such as engineering and aerospace. By analyzing the effects of retarding force, researchers can design better vehicles and improve safety measures in various industries.Moreover, the study of retarding force extends beyond physical objects to include phenomena in nature. For example, when a raindrop falls from the sky, it initially accelerates due to gravity. However, as it descends, it encounters air resistance, which acts as a retarding force. This interaction eventually leads to a constant terminal velocity, where the downward force of gravity is balanced by the upward force of air resistance. Understanding this balance is crucial for meteorologists and environmental scientists, as it helps them comprehend weather patterns and precipitation rates.In conclusion, the concept of retarding force is fundamental in physics, influencing a wide range of real-world applications and theoretical studies. From ensuring the safety of vehicles on the road to enhancing athletic performance and predicting natural phenomena, the implications of retarding force are far-reaching. By grasping this concept, individuals can better appreciate the dynamics of motion and the forces that shape our world. As we continue to explore the intricacies of physics, the understanding of retarding force will undoubtedly remain a vital component of our knowledge base, enabling us to innovate and improve our interactions with the environment around us.

在物理学领域，力的概念在理解物体如何相互作用中起着关键作用。在这些力中，术语阻力指的是任何与物体运动相对的力，导致其减速。这一原理可以在各种日常场景中观察到，从滑动书本与桌子之间的摩擦，到骑自行车者在陡坡上快速下坡时所经历的空气阻力。理解阻力对于学生和专业人士都是至关重要的，因为它帮助我们预测在各种条件下移动物体的行为。为了说明阻力的重要性，不妨考虑一辆高速行驶的汽车。当司机踩下刹车时，汽车由于刹车片与车轮之间的摩擦产生的阻力而开始减速。这种力不仅减缓了汽车的速度，还通过使车辆停下来来确保乘客的安全。如果没有这种力的存在，汽车将会无限期地继续向前移动，对乘客和其他道路使用者构成危险。另一个例子可以在体育界找到。运动员在逆风奔跑时常常会经历阻力。风作为一种障碍，使他们更难保持速度。在这种情况下，运动员必须付出额外的努力来克服风的阻力，这可能会影响他们的表现。这一现象突显了在竞争环境中理解作用力的重要性，因为这会影响训练策略和比赛结果。除了实际应用外，阻力的概念在物理学中也具有理论意义。例如，在研究抛射物的运动时，科学家必须考虑空气阻力的阻力。这种力影响抛射物的轨迹和飞行距离，因此在工程和航空航天等领域中进行准确预测是至关重要的。通过分析阻力的影响，研究人员可以设计更好的车辆并改善各行业的安全措施。此外，阻力的研究不仅限于物理物体，还包括自然现象。例如，当雨滴从天空落下时，它最初因重力加速。然而，随着其下降，它遇到的空气阻力就成为了一种阻力。这种相互作用最终导致一种恒定的终端速度，即重力的向下力与空气阻力的向上力达到平衡。理解这种平衡对于气象学家和环境科学家至关重要，因为它帮助他们理解天气模式和降水率。总之，阻力的概念在物理学中是基础性的，影响着广泛的现实应用和理论研究。从确保道路上车辆的安全，到提高运动表现和预测自然现象，阻力的影响是深远的。通过掌握这一概念，个人可以更好地欣赏运动的动态以及塑造我们世界的力量。随着我们继续探索物理学的复杂性，对阻力的理解无疑将仍然是我们知识基础的重要组成部分，使我们能够创新并改善与周围环境的互动。