rigid body

简明释义

刚体

英英释义

例句

1.In robotics, understanding the movement of a rigid body 刚体 helps in programming accurate motions.

在机器人技术中，理解刚体 rigid body 的运动有助于编程准确的动作。

2.In physics, a rigid body 刚体 is an idealization of a solid body in which deformation is neglected.

在物理学中，刚体 rigid body 是一种理想化的固体，其变形被忽略。

3.When analyzing the motion of a rigid body 刚体, we can simplify calculations by treating it as a single unit.

在分析刚体 rigid body 的运动时，我们可以通过将其视为一个整体来简化计算。

4.A rigid body 刚体 does not change shape or size under applied forces.

在施加力的情况下，刚体 rigid body 不会改变形状或大小。

5.The concept of rigid body 刚体 dynamics is essential in engineering for designing stable structures.

在工程中，刚体 rigid body 动力学的概念对于设计稳定结构至关重要。

作文

In the realm of physics and engineering, the concept of a rigid body plays a crucial role in understanding the mechanics of objects. A rigid body is defined as an idealized solid object that does not deform or change shape under the influence of external forces. This simplification allows engineers and physicists to analyze the motion and forces acting on objects without the complexities introduced by elasticity and deformation.The study of rigid bodies is fundamental in classical mechanics, where the behavior of these bodies is governed by Newton's laws of motion. For instance, when a rigid body is subjected to a force, it will either remain at rest or move in a straight line unless acted upon by another force. This principle is encapsulated in the first law of motion, which states that an object will maintain its state of rest or uniform motion unless acted upon by an external force.Furthermore, when analyzing the motion of rigid bodies, one must consider both translational and rotational dynamics. Translational motion refers to the movement of the center of mass of the rigid body, while rotational motion involves the spinning of the body around an axis. The combination of these two types of motion is essential in understanding how real-world objects behave under various conditions.For example, consider a car driving down a road. The car can be modeled as a rigid body for many practical purposes. When the driver accelerates, the entire car moves forward as a single unit, and its center of mass follows a straight path. However, if the driver turns the steering wheel, the car begins to rotate around its vertical axis, demonstrating the principles of rotational dynamics. Analyzing the forces acting on this rigid body helps engineers design safer and more efficient vehicles.Moreover, the concept of a rigid body is not limited to everyday objects; it also extends to complex systems in engineering and robotics. In robotics, for instance, the movement of robotic arms can often be approximated as rigid bodies. Understanding how these rigid bodies interact with each other and their environment is vital for programming precise movements and ensuring stability.In conclusion, the notion of a rigid body serves as a foundational element in the study of mechanics. By assuming that objects do not deform, we can simplify the analysis of their motion and the forces acting upon them. This simplification facilitates advancements in various fields, from automotive engineering to robotics, allowing us to design and create systems that function efficiently and effectively. As we continue to explore the complexities of the physical world, the concept of a rigid body remains a powerful tool in our understanding of motion and force dynamics.

在物理学和工程学领域，rigid body（刚体）这一概念在理解物体的力学方面起着至关重要的作用。rigid body被定义为一种理想化的固体物体，在外力作用下不会发生形变或改变形状。这种简化使得工程师和物理学家能够分析作用于物体的运动和力，而无需考虑由弹性和形变引入的复杂性。rigid bodies的研究是经典力学的基础，其中这些物体的行为遵循牛顿运动定律。例如，当一个rigid body受到一个力的作用时，它要么保持静止，要么沿直线运动，除非受到另一个力的作用。这一原则体现在运动的第一定律中，该定律指出，一个物体将保持其静止状态或匀速运动，除非受到外力的作用。此外，在分析rigid bodies的运动时，必须考虑平移和旋转动力学。平移运动是指rigid body质心的运动，而旋转运动则涉及物体绕轴的旋转。这两种运动类型的结合对于理解现实世界物体在各种条件下的行为至关重要。例如，考虑一辆在公路上行驶的汽车。这辆车在许多实际情况下可以被建模为一个rigid body。当驾驶员加速时，整辆车作为一个整体向前移动，其质心沿直线路径行进。然而，如果驾驶员转动方向盘，汽车就会开始绕其垂直轴旋转，这展示了旋转动力学的原理。分析作用于这个rigid body上的力帮助工程师设计更安全、更高效的车辆。此外，rigid body的概念不仅限于日常物体；它还扩展到工程和机器人技术中的复杂系统。在机器人技术中，例如，机器人手臂的运动通常可以近似为rigid bodies。理解这些rigid bodies如何相互作用以及与环境的互动对编程精确的运动和确保稳定性至关重要。总之，rigid body的概念作为力学研究的基础元素。通过假设物体不发生形变，我们可以简化对其运动和作用于其上的力的分析。这种简化促进了各个领域的进步，从汽车工程到机器人技术，使我们能够设计和创建高效、有效的系统。随着我们继续探索物理世界的复杂性，rigid body的概念仍然是我们理解运动和力动态的强大工具。