uniformly variable motion

简明释义

均匀变速运动

英英释义

例句

1.An example of uniformly variable motion 匀变速运动 is a train accelerating from a stop to a certain speed.

一个匀变速运动 匀变速运动的例子是火车从停靠状态加速到一定速度。

2.The physics simulation showed how uniformly variable motion 匀变速运动 affects the position of an object over time.

物理模拟展示了匀变速运动 匀变速运动如何影响物体随时间的位置。

3.In physics class, we learned that uniformly variable motion 匀变速运动 occurs when an object accelerates at a constant rate.

在物理课上，我们了解到，匀变速运动 匀变速运动发生在物体以恒定的速率加速时。

4.The car's speed increased steadily, demonstrating uniformly variable motion 匀变速运动 as it went down the hill.

汽车的速度稳步增加，展示了它在下坡时的匀变速运动 匀变速运动。

5.During the experiment, we measured the distance covered during uniformly variable motion 匀变速运动 using a stopwatch.

在实验中，我们使用秒表测量了在匀变速运动 匀变速运动中覆盖的距离。

作文

Understanding the concept of uniformly variable motion is crucial in the study of physics and mechanics. This term refers to a type of motion where an object moves along a path with a constant rate of change in velocity. In simpler terms, it means that the speed of the object increases or decreases at a steady rate over time. This concept can be observed in various real-life scenarios, such as a car accelerating smoothly on a highway or a ball rolling down a hill with increasing speed. To grasp uniformly variable motion, we need to delve into its characteristics and equations. One of the key features is that the acceleration remains constant throughout the motion. This means that if an object starts from rest and accelerates uniformly, its speed will increase by the same amount in each equal time interval. For example, if a car accelerates at a rate of 5 meters per second squared, its speed will increase by 5 m/s every second. Thus, after three seconds, the car will have increased its speed by 15 m/s. The mathematical representation of uniformly variable motion can be illustrated through the equations of motion. The first equation states that the final velocity (v) is equal to the initial velocity (u) plus the product of acceleration (a) and time (t): v = u + at. The second equation relates displacement (s) to initial velocity, time, and acceleration: s = ut + 0.5at². These equations help us calculate various parameters of motion, making it easier to analyze different situations involving uniformly variable motion. One practical application of this concept can be seen in sports. Athletes often experience uniformly variable motion during their performances. For instance, a sprinter may start off slowly and gradually increase their speed to reach maximum velocity. This acceleration can be modeled using the principles of uniformly variable motion, allowing coaches and trainers to optimize training regimens for better performance. Moreover, understanding uniformly variable motion is essential in engineering and design. Engineers often need to account for the forces acting on an object in motion, particularly when designing vehicles, machinery, or any system involving moving parts. By applying the principles of uniformly variable motion, they can ensure safety and efficiency in their designs. In conclusion, uniformly variable motion is a fundamental concept in physics that describes the motion of an object with a constant acceleration. Its applications range from everyday experiences to complex engineering challenges. By mastering this concept, students and professionals alike can enhance their understanding of motion and its implications in the real world. Whether in sports, transportation, or technology, uniformly variable motion plays a significant role in shaping our interactions with moving objects. Therefore, it is essential to continue exploring and applying this concept in various fields of study.

理解均匀变速运动的概念在物理学和力学研究中至关重要。这个术语指的是一种物体沿路径移动的类型，其速度变化率是恒定的。简单来说，这意味着物体的速度以稳定的速率随时间增加或减少。这个概念可以在各种现实生活场景中观察到，例如汽车在高速公路上平稳加速，或者球在坡道上以越来越快的速度滚动。为了掌握均匀变速运动，我们需要深入了解其特征和方程式。其中一个关键特征是加速度在整个运动过程中保持不变。这意味着如果一个物体从静止开始并以均匀的速度加速，它的速度将在每个相等的时间间隔内增加相同的量。例如，如果一辆车以每秒5米的加速度加速，那么它的速度将在每秒增加5米/秒。因此，在三秒后，这辆车的速度将增加15米/秒。均匀变速运动的数学表示可以通过运动方程来说明。第一个方程表明，最终速度（v）等于初始速度（u）加上加速度（a）与时间（t）的乘积：v = u + at。第二个方程将位移（s）与初始速度、时间和加速度联系起来：s = ut + 0.5at²。这些方程帮助我们计算运动的各种参数，使我们能够更容易地分析涉及均匀变速运动的不同情况。这个概念的一个实际应用可以在体育运动中看到。运动员在表演过程中常常经历均匀变速运动。例如，短跑运动员可能起步缓慢，然后逐渐加速到最大速度。这种加速可以用均匀变速运动的原理进行建模，从而允许教练和训练师优化训练方案以提高表现。此外，理解均匀变速运动对工程和设计至关重要。工程师通常需要考虑作用于运动物体上的力，特别是在设计车辆、机械或任何涉及运动部件的系统时。通过应用均匀变速运动的原理，他们可以确保其设计的安全性和效率。总之，均匀变速运动是物理学中的一个基本概念，描述了具有恒定加速度的物体的运动。它的应用范围从日常经验到复杂的工程挑战。通过掌握这一概念，学生和专业人士都可以增强对运动及其在现实世界中影响的理解。无论是在体育、交通还是科技领域，均匀变速运动在塑造我们与运动物体的互动中发挥着重要作用。因此，继续探索和应用这一概念在各个研究领域是至关重要的。