nonuniform motion

简明释义

变速运动

英英释义

例句

1.In physics class, we learned how to calculate nonuniform motion (不均匀运动) using graphs.

在物理课上，我们学习了如何使用图表计算不均匀运动。

2.The car accelerated and decelerated, demonstrating nonuniform motion (不均匀运动) on the highway.

这辆车在高速公路上加速和减速，展示了不均匀运动。

3.The runner's speed varied significantly, indicating nonuniform motion (不均匀运动) during the race.

跑步者的速度变化很大，表明比赛中存在不均匀运动。

4.A child riding a bicycle often experiences nonuniform motion (不均匀运动) when going uphill and downhill.

一个骑自行车的孩子在上坡和下坡时常常经历不均匀运动。

5.When a roller coaster goes through loops and drops, it exhibits nonuniform motion (不均匀运动).

当过山车经过回旋和下滑时，它表现出不均匀运动。

作文

Nonuniform motion refers to a type of motion where an object does not move at a constant speed or direction. This concept is fundamental in physics and helps us understand the complexities of how objects behave in different scenarios. To illustrate this, let us consider a simple example: a car traveling on a winding road. As the driver navigates through curves and inclines, the speed of the car changes frequently. This variability in speed is what we describe as nonuniform motion (非匀速运动). Unlike uniform motion, where an object travels equal distances in equal intervals of time, nonuniform motion is characterized by fluctuations in velocity and acceleration. In daily life, we encounter nonuniform motion in various forms. For instance, when a person walks, their pace may vary due to obstacles, fatigue, or changes in terrain. Similarly, a cyclist going uphill will experience a decrease in speed compared to when they are cycling downhill. These changes are essential to understanding how forces act upon moving objects. When analyzing nonuniform motion (非匀速运动), it is crucial to consider the factors that contribute to these changes. The most common factors include external forces such as friction, gravity, and air resistance. For example, when a ball is thrown upwards, it experiences a decrease in speed due to gravitational pull until it reaches its peak height. After that, it accelerates downwards until it hits the ground. This entire process exemplifies nonuniform motion because the speed and direction of the ball change throughout its flight.In physics, we often use graphs to represent nonuniform motion (非匀速运动). A position-time graph can show how the position of an object changes over time. In the case of nonuniform motion, the graph would not be a straight line but rather a curve, indicating that the object’s speed is not constant. Similarly, a velocity-time graph for nonuniform motion would show varying slopes, reflecting changes in speed and direction. These visual aids are instrumental for students and professionals alike, as they provide a clear representation of complex motion. Understanding nonuniform motion (非匀速运动) is also essential in fields such as engineering and robotics. Engineers must account for variable speeds when designing vehicles, ensuring that they can handle different conditions effectively. Similarly, roboticists must program robots to adapt to changing environments, allowing them to navigate obstacles and perform tasks efficiently. In conclusion, nonuniform motion (非匀速运动) is a vital concept in understanding the dynamics of movement. It encompasses a wide range of real-world scenarios, from the simple act of walking to complex mechanical systems. By studying nonuniform motion, we gain insights into the forces at play and learn to predict how objects will behave under various conditions. This knowledge not only enhances our comprehension of physics but also informs practical applications in technology and engineering.