uniform acceleration

简明释义

等加速度

英英释义

例句

1.When you push a shopping cart, it can start moving with uniform acceleration if you apply a steady force.

当你推购物车时，如果施加恒定的力，它可以开始以匀加速移动。

2.The roller coaster ride was thrilling due to the uniform acceleration at various points.

过山车的刺激来自于各个点的匀加速。

3.A car moving with uniform acceleration can cover equal distances in equal intervals of time.

一辆以匀加速行驶的汽车可以在相等的时间间隔内覆盖相等的距离。

4.In a vacuum, objects fall under the influence of gravity with uniform acceleration.

在真空中，物体在重力作用下以匀加速下落。

5.The physics experiment demonstrated uniform acceleration by rolling a ball down an inclined plane.

物理实验通过将球沿倾斜面滚动来演示匀加速。

作文

In the realm of physics, the concept of uniform acceleration is fundamental to understanding motion. It refers to a situation where an object experiences a constant rate of change in its velocity over time. This means that the object's speed increases or decreases at a steady pace, without any fluctuations. To illustrate this concept, let us consider a simple example: a car moving in a straight line. When a driver presses the accelerator pedal, the car speeds up steadily. If the acceleration is consistent, we can say that the car is undergoing uniform acceleration (均匀加速). The equations of motion for objects under uniform acceleration are crucial for predicting their future positions and velocities. One of the most common equations relates the final velocity (v), initial velocity (u), acceleration (a), and time (t): v = u + at. This equation shows that the final velocity of an object is directly influenced by its initial velocity and the amount of time it has been accelerating. For instance, if a car starts from rest (u = 0) and accelerates at a rate of 2 m/s² for 5 seconds, its final velocity would be v = 0 + (2 * 5) = 10 m/s. This simple calculation demonstrates how uniform acceleration (均匀加速) allows us to predict the outcome of motion based on initial conditions and acceleration rates.Another important aspect of uniform acceleration is its relationship with distance traveled. The equation for distance (s) covered during uniform acceleration is given by s = ut + 0.5at². This equation indicates that the distance covered is influenced by both the initial velocity and the time squared, multiplied by half of the acceleration. Continuing with our previous example, if the car accelerates for 5 seconds at 2 m/s², the distance it travels can be calculated as follows: s = (0 * 5) + 0.5 * (2) * (5)² = 0 + 0.5 * 2 * 25 = 25 meters. This calculation further illustrates how uniform acceleration (均匀加速) provides a predictable framework for understanding the motion of objects.Understanding uniform acceleration (均匀加速) is not only essential for physics students but also has practical applications in various fields. Engineers use these principles when designing vehicles, ensuring they can accelerate safely and efficiently. In sports, coaches analyze athletes' performance, applying concepts of uniform acceleration to help improve their speed and agility. Moreover, in the realm of space exploration, scientists must consider uniform acceleration (均匀加速) when calculating spacecraft trajectories, ensuring they reach their destinations accurately and safely.In conclusion, uniform acceleration (均匀加速) is a vital concept in physics that describes the steady change in velocity of an object over time. By utilizing the equations of motion associated with this concept, we can predict future positions and velocities, which are applicable in various fields such as engineering, sports, and space exploration. Mastering the principles of uniform acceleration (均匀加速) not only enhances our understanding of the physical world but also equips us with the knowledge to apply these principles in real-life situations.

在物理学领域，均匀加速的概念对于理解运动至关重要。它指的是一个物体在时间上经历恒定速度变化的情况。这意味着物体的速度以稳定的速度增加或减少，而没有任何波动。为了说明这个概念，让我们考虑一个简单的例子：一辆直线行驶的汽车。当驾驶员踩下油门踏板时，汽车会稳定加速。如果加速度是一致的，我们可以说汽车正在经历均匀加速。在均匀加速的物体运动方程中，预测未来位置和速度是至关重要的。其中一个最常见的方程涉及最终速度（v）、初始速度（u）、加速度（a）和时间（t）：v = u + at。这个方程显示，物体的最终速度直接受到其初始速度和加速时间的影响。例如，如果一辆汽车从静止状态开始（u = 0），以2 m/s²的加速度加速5秒，则其最终速度为v = 0 + (2 * 5) = 10 m/s。这个简单的计算演示了如何利用均匀加速来根据初始条件和加速度预测运动结果。均匀加速的另一个重要方面是它与行驶距离的关系。在均匀加速过程中，行驶距离（s）的方程为s = ut + 0.5at²。这个方程表明，行驶的距离受初始速度和时间平方的影响，再乘以加速度的一半。继续我们之前的例子，如果汽车以2 m/s²的加速度加速5秒，它行驶的距离可以计算如下：s = (0 * 5) + 0.5 * (2) * (5)² = 0 + 0.5 * 2 * 25 = 25米。这个计算进一步说明了如何利用均匀加速提供一个可预测的框架来理解物体的运动。理解均匀加速不仅对物理学生至关重要，而且在各个领域都有实际应用。工程师在设计车辆时使用这些原理，以确保它们能够安全高效地加速。在体育运动中，教练分析运动员的表现，应用均匀加速的概念来帮助提高他们的速度和敏捷性。此外，在太空探索领域，科学家在计算航天器轨迹时必须考虑均匀加速，以确保它们准确安全地到达目的地。总之，均匀加速是物理学中的一个重要概念，描述了物体在时间上速度的稳定变化。通过利用与这一概念相关的运动方程，我们可以预测未来的位置和速度，这些在工程、体育和太空探索等各个领域都有应用。掌握均匀加速的原理不仅增强了我们对物理世界的理解，还使我们具备了在现实生活中应用这些原理的知识。