center of gravity

简明释义

重心

英英释义

The point in a body or system where the entire weight is thought to be concentrated and where gravitational force can be considered to act.

一个物体或系统中,整个重量被认为集中在此点,并且重力可以被视为作用于此点。

例句

1.Athletes often train to improve their balance by understanding their center of gravity.

运动员通常通过理解他们的重心来提高平衡能力。

2.In a car, the center of gravity affects how well it handles turns.

在汽车中,重心影响其转弯的操控性。

3.A higher center of gravity can make a vehicle more prone to tipping over.

较高的重心会使车辆更容易翻倒。

4.The designer adjusted the center of gravity of the product to enhance its usability.

设计师调整了产品的重心以增强其可用性。

5.The engineer calculated the center of gravity to ensure the stability of the structure.

工程师计算了重心以确保结构的稳定性。

作文

The concept of the center of gravity is fundamental in both physics and engineering. It refers to the point in a body or system where the weight is evenly distributed in all directions. Understanding the center of gravity is crucial for various applications, from designing stable structures to understanding the mechanics of movement in sports. In physics, the center of gravity plays a significant role in determining how objects behave under the influence of gravity. For instance, when an object is lifted or moved, its center of gravity affects its stability. If the center of gravity is high, the object may be more prone to tipping over. This principle is particularly important in the design of vehicles, buildings, and even furniture. Engineers must carefully calculate the center of gravity to ensure that structures can withstand forces without collapsing or becoming unstable.In sports, the center of gravity is vital for athletes to maintain balance and control. For example, gymnasts and dancers often lower their center of gravity to enhance stability while performing complex movements. Similarly, in sports like football or basketball, players utilize their center of gravity to pivot and change direction quickly. A lower center of gravity can provide a competitive advantage, allowing athletes to maneuver efficiently and effectively.Moreover, the center of gravity is also an essential consideration in the field of robotics. Engineers designing robots need to ensure that the center of gravity is positioned correctly to prevent tipping over during operation. This aspect is particularly critical for humanoid robots, which must mimic human movement and balance.In everyday life, understanding the center of gravity can help individuals make better choices regarding safety and efficiency. For instance, when lifting heavy objects, one should be aware of their own center of gravity to avoid injury. Proper lifting techniques involve bending at the knees and keeping the load close to the body, which helps maintain a stable center of gravity and reduces the risk of strain.In conclusion, the center of gravity is a concept that extends far beyond theoretical physics. It is a practical principle that influences various aspects of our lives, from engineering and sports to everyday activities. By mastering the understanding of the center of gravity, we can improve safety, enhance performance, and foster innovation across multiple domains.

重心的概念在物理学和工程学中是基础性的。它指的是一个物体或系统中重量在各个方向上均匀分布的点。理解重心对于各种应用至关重要,从设计稳定的结构到理解运动力学在体育中的表现。在物理学中,重心在确定物体在重力影响下的行为方面发挥着重要作用。例如,当一个物体被举起或移动时,其重心会影响其稳定性。如果重心较高,物体可能更容易倾倒。这个原理在车辆、建筑物甚至家具的设计中尤其重要。工程师必须仔细计算重心,以确保结构能够承受力而不倒塌或变得不稳定。在体育运动中,重心对运动员保持平衡和控制至关重要。例如,体操运动员和舞者通常会降低他们的重心,以增强在进行复杂动作时的稳定性。同样,在足球或篮球等运动中,运动员利用他们的重心快速转身和改变方向。较低的重心可以提供竞争优势,使运动员能够有效而高效地移动。此外,重心在机器人领域也是一个重要的考虑因素。设计机器人的工程师需要确保重心正确定位,以防止在操作过程中倾倒。这个方面对类人机器人尤为重要,因为它们必须模仿人类的运动和平衡。在日常生活中,理解重心可以帮助个人在安全和效率方面做出更好的选择。例如,在搬运重物时,人们应该意识到自己的重心,以避免受伤。正确的搬运技巧包括弯曲膝盖并将负载靠近身体,这有助于保持稳定的重心,并减少拉伤的风险。总之,重心是一个超越理论物理的概念。它是一个实用的原则,影响我们生活的多个方面,从工程和体育到日常活动。通过掌握重心的理解,我们可以提高安全性、增强表现,并在多个领域推动创新。

相关单词

gravity

gravity详解:怎么读、什么意思、用法