uniformly decelerated motion

简明释义

均匀减速运动

英英释义

例句

1.When a ball rolls down a hill and gradually slows down, it exhibits uniformly decelerated motion 均匀减速运动.

当一个球从山坡上滚下来并逐渐减速时，它表现出均匀减速运动.

2.A car coming to a stop at a red light is an example of uniformly decelerated motion 均匀减速运动.

一辆车在红灯前停车是一个均匀减速运动的例子.

3.In physics class, we learned that uniformly decelerated motion 均匀减速运动 can be described by specific equations.

在物理课上，我们了解到均匀减速运动可以通过特定的方程来描述.

4.An object thrown upwards will eventually experience uniformly decelerated motion 均匀减速运动 until it stops and falls back down.

一个向上抛出的物体最终会经历均匀减速运动，直到它停止并掉回下来.

5.The train came to a halt due to uniformly decelerated motion 均匀减速运动 as it approached the station.

火车在靠近车站时由于均匀减速运动而停了下来.

作文

In the study of physics, one of the fascinating topics is motion. Understanding how objects move and interact with forces is crucial for grasping the fundamentals of this science. Among various types of motion, uniformly decelerated motion (均匀减速运动) is particularly interesting because it describes a situation where an object slows down at a constant rate. This concept can be observed in many real-life scenarios, such as a car coming to a stop or a ball rolling down a hill before gradually slowing to a halt.To illustrate uniformly decelerated motion (均匀减速运动), let’s consider a car that is driving along a straight road. Suppose the driver sees a red light ahead and decides to apply the brakes. As the car decelerates, it does so at a constant rate, meaning that every second, the speed decreases by the same amount. This consistent reduction in speed characterizes uniformly decelerated motion (均匀减速运动).The mathematical representation of uniformly decelerated motion (均匀减速运动) involves equations derived from basic kinematics. One of the key equations is: v = u + at,where 'v' is the final velocity, 'u' is the initial velocity, 'a' is the acceleration (which is negative in the case of deceleration), and 't' is the time. In the context of our car, if the initial velocity is 20 m/s and the car decelerates at a rate of -2 m/s², we can calculate how long it takes to come to a stop.Another important aspect of uniformly decelerated motion (均匀减速运动) is the distance traveled during the deceleration. This can be calculated using the formula:d = ut + (1/2)at²,where 'd' represents the distance. Using our previous example, if we know the time it takes to stop, we can find out how far the car travels while decelerating.Moreover, uniformly decelerated motion (均匀减速运动) is not limited to cars; it can be seen in various sports. For instance, when a basketball player jumps and then comes back down, their upward motion is followed by a gradual descent due to gravity, which acts as a decelerating force until they reach the ground.The implications of understanding uniformly decelerated motion (均匀减速运动) extend beyond simple calculations. It helps engineers design safer vehicles, predict the stopping distances required for different speeds, and improve overall safety measures on the roads. In addition, it lays the groundwork for more complex concepts in physics, such as acceleration, force, and energy.In conclusion, uniformly decelerated motion (均匀减速运动) is a fundamental concept in physics that describes how objects slow down at a constant rate. By studying this type of motion, we gain valuable insights into the behavior of moving objects, which is essential for both academic pursuits and practical applications in everyday life. Whether it's analyzing the motion of vehicles or understanding sports dynamics, the principles of uniformly decelerated motion (均匀减速运动) are integral to our comprehension of the physical world around us.

在物理学的研究中，一个迷人的主题是运动。理解物体如何移动以及与力的相互作用对于掌握这门科学的基本原理至关重要。在各种运动类型中，均匀减速运动（uniformly decelerated motion）特别有趣，因为它描述了一个物体以恒定的速度减速的情况。这个概念可以在许多现实生活场景中观察到，例如汽车停下来或球在坡道上滚动后逐渐减速至停止。为了说明均匀减速运动（uniformly decelerated motion），让我们考虑一辆沿直路行驶的汽车。假设司机看到前方的红灯，决定踩刹车。当汽车减速时，它以恒定的速度减速，这意味着每秒钟，速度减少的幅度是相同的。这种速度的持续降低特征化了均匀减速运动（uniformly decelerated motion）。均匀减速运动（uniformly decelerated motion）的数学表示涉及从基本运动学推导出的方程式。其中一个关键方程是：v = u + at，其中“v”是最终速度，“u”是初始速度，“a”是加速度（在减速的情况下为负），而“t”是时间。在我们汽车的上下文中，如果初始速度为20 m/s，而汽车以-2 m/s²的速度减速，我们可以计算它停止所需的时间。均匀减速运动（uniformly decelerated motion）的另一个重要方面是减速过程中行驶的距离。这可以通过以下公式计算：d = ut + (1/2)at²，其中“d”代表距离。使用我们之前的例子，如果我们知道停止所需的时间，我们可以找出汽车在减速过程中行驶的距离。此外，均匀减速运动（uniformly decelerated motion）不仅限于汽车；它可以在各种运动中看到。例如，当篮球运动员跳起然后落下时，他们的向上运动后跟着由于重力作用而逐渐下降，重力作为减速力，直到他们落到地面。理解均匀减速运动（uniformly decelerated motion）的意义超出了简单的计算。它帮助工程师设计更安全的车辆，预测不同速度所需的停车距离，并改善道路上的整体安全措施。此外，它为物理学中的更复杂概念奠定了基础，如加速度、力和能量。总之，均匀减速运动（uniformly decelerated motion）是物理学中的一个基本概念，描述了物体以恒定的速度减速的方式。通过研究这种类型的运动，我们获得了关于运动物体行为的宝贵见解，这对于学术追求和日常生活中的实际应用至关重要。无论是分析车辆的运动还是理解体育动态，均匀减速运动（uniformly decelerated motion）的原理都是我们理解周围物理世界的不可或缺的一部分。