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刚体平移运动和旋转运动
Introduction
刚体是平移零个或变形可以忽略不计。也随着身体的连续质量分布决定的。刚体主要有两种不同类型的运动是平移运动和旋转运动。刚体在旅行与这些类型的运动是随同位移相等的时间间隔。在过渡运动身体会带着相同的位移相等的时间间隔,在其他情况下,随着旋转运动身体会带着同样的角位移相等的时间间隔。
What do you understand by a rigid body and its rotation and motion?
刚体是理想化的身体证明不会改变其形状或不变形。它也可以被描述为粒子集合属性,粒子之间的距离是不变的时间当然身体的运动。所有都在运动时身体会变形(springer, 2019)。
在刚体的情况下没有发现变形和确定的常数分布质量。这也可以解释为当2点提供的刚体之间的距离保持在恒定的状态在时间间隔即使施加一个外力,身体(Schmelzbach et al。 2018)。
即使刚体有各种疯狂的分子和原子,他们将保留在统一的运动状态。如果找到了刚体纯旋转运动就会旋转一个固定的轴和垂直于一个固定的平面。
What is the translational motion of the rigid body?
主要有两种类型的运动刚体平移运动和旋转运动。如果找到了刚体沿着直线移动,甚至沿着线性路径就可以确定它的平移运动。平移运动的一维运动。
Figure 1: Transitional motion of Rigid Body
在单元格图中,可以看出,当在一个盒子一个外力施加它开始沿着线性路径或直线平移运动。正确的图,这个盒子是被推下来,沿着斜面和旅行也有平移运动(克鲁兹 et al . 2019)。
但是这里的盒子正在下降(下降)自由体内然后2组成粒子之间的距离总是固定的,每个刚体的运动将保持相同的整个身体平移运动的动态。
What is the rotational motion of a rigid body?
如果一个刚体沿圆形或弧形平面移动它的质量中心将保持在运动和刚体旋转运动。刚体的旋转运动旅行绕轴和轴确定旋转轴。
Figure 2: Rotational motion of Rigid Body
从上面的图中,可以看到一个轮子的旋转运动是围绕其轴穿过中心。当这个轮子移动轴穿过中心通常和整个刚体和其组成粒子保持旋转沿其轴(金 et al。 2018)。车轮痕迹循环路径的确定轴的旋转运动。
State the difference between rotational motion and translational motion
| Translational motion | Rotational motion |
|---|---|
这里的刚体运动的线性路径或直线< / p > < / td > < td > 刚体的旅行在弧形或圆形路径。 | |
刚体有相同的位移相等的时间间隔。< / p > < / td > < td > 刚体在相等的时间间隔相同的角位移(威瑟斯彭 et al . 2017)。 | |
纯平移运动发生在施加的力是通过质量的中心。< / p > < / td > < td > 纯旋转运动发生在对面的力施加和身体上同样遥远。 | |
质量中心仍在运动< / p > < / td > < td > 这里质量的中心仍然是固定的。 |
Table : Differences between rotational motion and translational motion
Conclusion
如果找到身体随着时间不断地改变其位置和姿态被认为是在运动。可以在不同的运动刚体平移运动和旋转运动。沿着直线移动刚体时就被认为是在平移运动。当一个刚体发现旅行是一个斜面就被认为是在旋转运动。如果身体的方向不断改变不断的时间间隔就可以确定旋转的现象。
FAQs
Q1。平移运动和它的类型是什么?
运动的平移运动被描述为一个身体的所有点移动身体旅行方向相同或一致。在平移运动不同对象分永远不会改变方向。有各种类型的平移运动,比如直线运动和曲线运动。
Q2。什么是直线运动,曲线运动?
直线运动,是平移运动的部分之一,身体旅行在一个线性路径和加速度仍然在一个统一的国家。曲线运动,这里的平移运动和身体的另一部分旅行沿着弯曲的平面,在这个运动加速度的变化。
第三季。线性和非刚性的机构之间的区别是什么?
如果力对刚体,那么将会有一个变化的状态的运动身体,如果柔性身体上施加的力的大小和形状的身体会得到改变。刚体有定义良好的独特的平衡几何,而非刚性的身体没有独特的平衡几何。
第四季度。旋转轴是什么?
身体保持旋转的轴在一个圆形的路径称为旋转轴。的动力学和运动学刚体绕轴发生旋转,是固定的决心完全类似于沿固定方向直线运动和旋转运动。