uniformly deceleratedmotion

简明释义

均匀减速运动

英英释义

例句

1.When a car brakes smoothly, it undergoes uniformly decelerated motion 匀减速运动 until it stops.

当汽车平稳刹车时，它经历了匀减速运动uniformly decelerated motion，直到停下来。

2.To calculate stopping distance, we need to consider uniformly decelerated motion 匀减速运动 in our equations.

为了计算制动距离，我们需要在方程中考虑匀减速运动uniformly decelerated motion。

3.The physics experiment demonstrated uniformly decelerated motion 匀减速运动 using a toy car on a ramp.

物理实验通过在斜坡上的玩具车展示了匀减速运动uniformly decelerated motion。

4.The roller coaster experienced uniformly decelerated motion 匀减速运动 as it approached the end of the track.

过山车在接近轨道末端时经历了匀减速运动uniformly decelerated motion。

5.In physics class, we learned about uniformly decelerated motion 匀减速运动 and how it applies to vehicles coming to a stop.

在物理课上，我们学习了关于匀减速运动uniformly decelerated motion的内容，以及它如何适用于车辆停车。

作文

In the study of physics, understanding the principles of motion is essential for grasping how objects behave under various forces. One important concept in this field is uniformly decelerated motion, which refers to the motion of an object that is slowing down at a constant rate. This phenomenon can be observed in everyday life, such as when a car comes to a stop at a red light or when a ball rolls to a halt on the ground. The uniformity of the deceleration means that the object's velocity decreases by the same amount over equal time intervals, leading to a linear relationship between time and velocity. To better illustrate uniformly decelerated motion (均匀减速运动), let us consider a practical example: a car traveling on a straight road. Suppose the car is initially moving at a speed of 60 kilometers per hour. As the driver applies the brakes, the car begins to slow down uniformly, decreasing its speed by 10 kilometers per hour every second. After one second, the car's speed will be 50 kilometers per hour; after two seconds, it will be 40 kilometers per hour; and so forth until it comes to a complete stop. This consistent decrease in speed exemplifies the concept of uniformly decelerated motion. Mathematically, we can describe this motion using equations of motion. The formula for the final velocity (v) of an object experiencing uniformly decelerated motion can be expressed as: v = u + at, where u is the initial velocity, a is the acceleration (which is negative in the case of deceleration), and t is the time. In our car example, if we let u = 60 km/h, a = -10 km/h², and t = 3 seconds, we can calculate the final velocity after 3 seconds. Understanding uniformly decelerated motion is not only crucial for physics students but also for engineers and designers who create vehicles and safety systems. For instance, knowing how quickly a vehicle can decelerate helps in designing braking systems that can stop a car safely within a certain distance. Moreover, this knowledge is vital in traffic management and accident prevention strategies. In conclusion, uniformly decelerated motion (均匀减速运动) is a fundamental concept in physics that describes how an object slows down at a constant rate. Through practical examples and mathematical formulations, we can better understand this motion and its implications in real-world scenarios. Whether we are driving a car, playing sports, or simply observing the world around us, the principles of uniformly decelerated motion are at play, influencing our daily experiences and interactions with moving objects.

在物理学的研究中，理解运动的原理对于掌握物体在各种力作用下的行为至关重要。一个重要的概念是均匀减速运动，它指的是以恒定速率减速的物体的运动。这种现象可以在日常生活中观察到，例如当汽车在红灯前停下时，或者当球在地面上滚动至停止时。减速的均匀性意味着物体的速度在相等的时间间隔内以相同的量减少，从而导致时间与速度之间呈线性关系。为了更好地说明均匀减速运动，让我们考虑一个实际的例子：一辆在直路上行驶的汽车。假设汽车最初以每小时60公里的速度行驶。当司机踩下刹车时，汽车开始均匀减速，每秒速度减少10公里。在一秒后，汽车的速度将为每小时50公里；在两秒后，将为每小时40公里；依此类推，直到完全停止。这种速度的一致减少例证了均匀减速运动的概念。在数学上，我们可以用运动方程来描述这种运动。经历均匀减速运动的物体最终速度（v）的公式可以表示为：v = u + at，其中u是初始速度，a是加速度（在减速的情况下为负），t是时间。在我们的汽车示例中，如果我们设u = 60 km/h，a = -10 km/h²，t = 3秒，我们可以计算出3秒后的最终速度。理解均匀减速运动不仅对物理学生至关重要，对工程师和设计师也同样重要，他们负责制造车辆和安全系统。例如，了解一辆车可以多快减速有助于设计能够在特定距离内安全停车的刹车系统。此外，这种知识在交通管理和事故预防策略中也至关重要。总之，均匀减速运动是物理学中的一个基本概念，它描述了物体以恒定速率减速的方式。通过实际例子和数学公式，我们可以更好地理解这种运动及其在现实世界场景中的影响。无论我们是在开车、参加体育活动，还是仅仅观察周围的世界，均匀减速运动的原理都在发挥作用，影响着我们日常的体验和与运动物体的互动。