moment of force

简明释义

力矩

英英释义

例句

1.When balancing a seesaw, each child’s weight creates a moment of force 力矩 that must be equal for it to remain level.

在平衡跷跷板时，每个孩子的体重都会产生一个moment of force 力矩，必须相等才能保持水平。

2.When you use a wrench to tighten a bolt, you apply a moment of force 力矩 that helps to secure it in place.

当你使用扳手拧紧螺栓时，你施加了一个moment of force 力矩，这有助于将其固定在原位。

3.A larger moment of force 力矩 can be achieved by increasing the length of the lever arm.

通过增加杠杆臂的长度，可以获得更大的moment of force 力矩。

4.The moment of force 力矩 applied by the motor determines how quickly the door opens.

电动机施加的moment of force 力矩 决定了门打开的速度。

5.In engineering, the moment of force 力矩 is crucial for calculating the stability of structures.

在工程学中，moment of force 力矩 对于计算结构的稳定性至关重要。

作文

The concept of a moment of force is fundamental in the study of mechanics and physics. It refers to the rotational effect produced by a force applied at a distance from a pivot point or axis of rotation. This principle is crucial in understanding how objects rotate and balance in our everyday lives. When we think about the moment of force, we can visualize it as the strength that causes an object to spin around a central point. For example, consider a door. When you push on the handle, you apply a force at a certain distance from the hinges, which act as the pivot point. The further away you push from the hinges, the greater the moment of force you create, making it easier to open the door. This simple action illustrates how the moment of force plays an important role in our daily activities. In engineering, the moment of force is critical when designing structures and machines. Engineers must calculate the forces acting on different parts of a structure to ensure stability and safety. For instance, when designing a bridge, engineers consider the moment of force generated by vehicles passing over it. They need to ensure that the materials used can withstand these forces without collapsing. Moreover, the moment of force is also essential in sports and physical activities. Athletes often use this principle to enhance their performance. For instance, a gymnast performing on the rings applies a moment of force to rotate their body in mid-air, allowing them to execute complex maneuvers. Understanding how to manipulate the moment of force can give athletes a competitive edge. Furthermore, the moment of force is not limited to mechanical systems; it also applies to biological systems. For example, when humans walk or run, our muscles exert forces at various distances from our joints, creating moments of force that enable movement. This understanding can lead to better training methods and injury prevention strategies in sports science. In conclusion, the moment of force is a vital concept that impacts various fields, from engineering to athletics. It allows us to understand how forces cause rotation and how we can apply this knowledge to improve our designs, performances, and even our daily tasks. By mastering the concept of moment of force, we can gain a deeper appreciation for the mechanics that govern our world and how we interact with it.

力矩的概念在力学和物理学的研究中是基础的。它指的是在距离支点或旋转轴施加的力所产生的旋转效果。这个原理对理解物体如何旋转和平衡在我们的日常生活中至关重要。当我们想到力矩时，可以将其视为导致物体围绕中心点旋转的力量。例如，考虑一扇门。当你推手柄时，你在铰链处施加了一个力，铰链作为支点。你离铰链越远推，产生的力矩就越大，使得打开门变得更容易。这个简单的动作说明了力矩在我们日常活动中的重要作用。在工程学中，力矩在设计结构和机器时至关重要。工程师必须计算作用于结构不同部分的力，以确保稳定性和安全性。例如，在设计桥梁时，工程师会考虑车辆通过时产生的力矩。他们需要确保所用材料能够承受这些力而不会倒塌。此外，力矩在运动和身体活动中也至关重要。运动员通常利用这一原理来提高他们的表现。例如，体操运动员在环上表演时，在空中旋转身体施加力矩，使他们能够执行复杂的动作。理解如何操控力矩可以使运动员在竞争中占据优势。此外，力矩不仅限于机械系统；它也适用于生物系统。例如，当人类走路或跑步时，我们的肌肉在关节的不同距离施加力量，产生力矩，从而实现运动。这一理解可以导致更好的训练方法和运动科学中的伤害预防策略。总之，力矩是影响各个领域的重要概念，从工程到体育。它使我们能够理解力如何导致旋转，以及我们如何应用这一知识来改善我们的设计、表现，甚至我们的日常任务。通过掌握力矩的概念，我们可以更深入地欣赏支配我们世界的力学以及我们与之互动的方式。