uniformly retarded motion

简明释义

匀减速运动

英英释义

例句

1.A ball thrown upwards will experience uniformly retarded motion until it reaches its peak height.

向上投掷的球会经历均匀减速运动，直到达到最高点。

2.In physics class, we learned about uniformly retarded motion through various examples of slowing objects.

在物理课上，我们通过各种减速物体的例子学习了均匀减速运动。

3.The car was moving with uniformly retarded motion as it approached the red light.

当汽车接近红灯时，它以均匀减速运动行驶。

4.The train's uniformly retarded motion allowed passengers to feel a smooth deceleration.

火车的均匀减速运动使乘客感受到平稳的减速。

5.During the demonstration, the physicist illustrated uniformly retarded motion using a ramp.

在演示中，物理学家使用斜坡说明了均匀减速运动。

作文

In the study of physics, motion is a fundamental concept that describes how objects move through space. One specific type of motion that often captures the interest of students and professionals alike is uniformly retarded motion. This term refers to the motion of an object that is slowing down at a constant rate. Understanding uniformly retarded motion is crucial for various applications, from engineering to everyday life scenarios. To illustrate this concept, let’s consider a car that is moving on a straight road. When the driver applies the brakes, the car begins to slow down. If the brakes are applied smoothly and consistently, the car experiences uniformly retarded motion. This means that the car's speed decreases by the same amount over equal intervals of time. For example, if the car reduces its speed by 5 meters per second every second, it is undergoing uniformly retarded motion. The mathematical representation of uniformly retarded motion can be described using equations from kinematics. The primary equation is derived from the relationship between acceleration, velocity, and time. In this case, we can express the final velocity (v) of the car as:v = u - at,where u is the initial velocity, a is the constant deceleration (which is a positive value in this context), and t is the time. This equation highlights that the final velocity decreases linearly over time when the deceleration is uniform. Visualizing uniformly retarded motion can also be achieved through graphs. A velocity-time graph for an object in uniformly retarded motion would show a straight line with a negative slope, indicating that the velocity decreases steadily. The area under the curve in this graph represents the distance traveled during the motion. This visual representation helps in understanding how distance and time correlate during a uniformly retarded scenario. Moreover, uniformly retarded motion is not only limited to vehicles but can be observed in various situations. For instance, a ball thrown upwards will experience uniformly retarded motion due to the force of gravity acting against its upward movement. As the ball ascends, it slows down uniformly until it reaches its peak height, where its velocity becomes zero before it starts descending. This example demonstrates the universality of the concept across different contexts. In real-world applications, understanding uniformly retarded motion is vital for safety and efficiency. Engineers must consider this type of motion when designing braking systems for vehicles, ensuring that they can stop effectively without causing accidents. Similarly, athletes can apply the principles of uniformly retarded motion to improve their performance by mastering how to decelerate safely while maintaining control. In conclusion, uniformly retarded motion is an essential concept in physics that describes how objects slow down at a constant rate. By examining its mathematical, graphical, and practical aspects, one can gain a deeper understanding of this phenomenon. Whether in the context of a car slowing down or a ball being thrown, uniformly retarded motion offers valuable insights into the dynamics of motion and is an integral part of our understanding of the physical world.

在物理学的研究中，运动是一个基本概念，描述了物体如何在空间中移动。一个特别吸引学生和专业人士兴趣的运动类型是均匀减速运动。这个术语指的是物体以恒定速率减速的运动。理解均匀减速运动对于各种应用至关重要，从工程到日常生活场景。为了说明这一概念，让我们考虑一辆在直路上行驶的汽车。当司机踩下刹车时，汽车开始减速。如果刹车平稳且一致地施加，汽车就会经历均匀减速运动。这意味着汽车的速度在相等的时间间隔内以相同的量减少。例如，如果汽车每秒减少5米每秒的速度，那么它就是在经历均匀减速运动。均匀减速运动的数学表示可以通过运动学中的方程来描述。在这种情况下，我们可以用以下公式表达汽车的最终速度（v）：v = u - at，其中u是初始速度，a是恒定减速（在这种情况下是一个正值），t是时间。这个方程突显了当减速是均匀时，最终速度随时间线性减少。可视化均匀减速运动也可以通过图形实现。对于处于均匀减速运动的物体，其速度-时间图将显示出一条负斜率的直线，表明速度稳步减少。该图下的面积代表了运动过程中所行驶的距离。这种视觉表现有助于理解在均匀减速场景中距离和时间之间的关系。此外，均匀减速运动不仅限于车辆，还可以在各种情况下观察到。例如，向上抛出的球将由于重力作用于其向上的运动而经历均匀减速运动。随着球的上升，它均匀减速，直到达到最高点，此时其速度变为零，然后开始下降。这个例子展示了该概念在不同上下文中的普遍性。在现实世界的应用中，理解均匀减速运动对于安全和效率至关重要。工程师在设计车辆的制动系统时必须考虑这种运动，以确保它们能够有效地停车而不造成事故。同样，运动员可以应用均匀减速运动的原理来改善他们的表现，掌握如何安全减速同时保持控制。总之，均匀减速运动是物理学中的一个重要概念，描述了物体以恒定速率减速的方式。通过考察其数学、图形和实际方面，人们可以更深入地理解这一现象。无论是在汽车减速的背景下，还是在投掷球的情况下，均匀减速运动都提供了对运动动态的重要洞察，是我们理解物理世界的一个不可或缺的部分。