moment of rotation

简明释义

转动力矩

英英释义

例句

1.In physics class, we learned that the moment of rotation 旋转力矩 affects how easily an object can be spun.

在物理课上，我们了解到旋转力矩 moment of rotation会影响物体旋转的难易程度。

2.The engineer calculated the moment of rotation 旋转力矩 for the new bridge design to ensure stability.

工程师计算了新桥设计的旋转力矩 moment of rotation以确保稳定性。

3.To improve performance, the athlete focused on reducing the moment of rotation 旋转力矩 in their technique.

为了提高表现，运动员专注于减少他们技术中的旋转力矩 moment of rotation。

4.The design team adjusted the moment of rotation 旋转力矩 of the fan blades for optimal airflow.

设计团队调整了风扇叶片的旋转力矩 moment of rotation以获得最佳气流。

5.The bicycle's wheels have a high moment of rotation 旋转力矩, which helps maintain speed on flat surfaces.

自行车的轮子具有较高的旋转力矩 moment of rotation，这有助于在平坦表面保持速度。

作文

The concept of a moment of rotation is fundamental in the study of physics and engineering. It refers to the tendency of a force to cause an object to rotate about an axis. This moment is crucial for understanding how various forces interact with objects, particularly in mechanical systems. To put it simply, when a force is applied at a distance from the pivot point of an object, it creates a moment of rotation that can lead to angular motion. For instance, consider a door. When you push on the edge of the door, you apply a force at a certain distance from the hinges, which act as the pivot point. The further away from the hinges you apply your force, the greater the moment of rotation you create. This is why it is easier to open a door by pushing on the handle rather than pushing near the hinges. The relationship between the force applied, the distance from the pivot, and the resulting moment of rotation can be expressed mathematically as: Moment = Force x Distance. This equation shows that both the magnitude of the force and the distance from the pivot are essential in determining the effectiveness of the force in creating rotation. In practical applications, engineers often need to calculate the moment of rotation to design safe and efficient structures and machines. For example, in automotive engineering, the moment of rotation is vital when designing components such as gears and levers, ensuring they can withstand the forces without failing. Moreover, the moment of rotation is not only limited to static objects but also plays a significant role in dynamic systems. In sports, athletes utilize the principles of moment of rotation to enhance their performance. For instance, a figure skater pulling in their arms during a spin reduces their moment of inertia, allowing them to spin faster due to the conservation of angular momentum. This demonstrates how understanding the moment of rotation can lead to improved techniques and strategies in various fields. In conclusion, the moment of rotation is a critical concept that bridges theoretical physics and practical applications. Whether it’s in the design of machinery, the analysis of sports movements, or even in everyday tasks like opening a door, the principles behind the moment of rotation are at play. A deeper understanding of this concept allows individuals to harness the power of rotational dynamics effectively, leading to innovations and improvements across multiple disciplines.

转动矩的概念在物理和工程学的研究中是基本的。它指的是一种力使物体围绕一个轴旋转的倾向。这个矩对于理解各种力如何与物体相互作用至关重要，特别是在机械系统中。简单来说，当一个力在物体的支点距离施加时，它会产生一个转动矩，可能导致角运动。例如，考虑一扇门。当你在门的边缘推门时，你在铰链处施加了一个力，铰链作为支点。你施加的力离铰链越远，你创造的转动矩就越大。这就是为什么通过把手推开门比在铰链附近推门要容易的原因。施加的力、支点的距离以及由此产生的转动矩之间的关系可以用以下数学公式表示：转动矩 = 力 x 距离。这个方程表明，施加的力的大小和离支点的距离在确定力在产生旋转方面的有效性中都是至关重要的。在实际应用中，工程师通常需要计算转动矩，以设计安全高效的结构和机器。例如，在汽车工程中，转动矩在设计齿轮和杠杆等组件时至关重要，以确保它们能够承受力而不发生故障。此外，转动矩不仅限于静态物体，还在动态系统中发挥着重要作用。在体育运动中，运动员利用转动矩的原理来提高他们的表现。例如，花样滑冰运动员在旋转时将手臂收拢，会减少他们的转动惯量，使他们能够由于角动量守恒而旋转得更快。这表明，理解转动矩可以在各个领域改善技术和策略。总之，转动矩是一个关键概念，连接了理论物理和实际应用。无论是在机器设计、运动分析，还是在日常任务如开门时，转动矩的原理都在发挥作用。对这一概念的深入理解使个人能够有效地利用旋转动力学的力量，从而在多个学科中推动创新和改进。