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Introduction
扭矩和力矩这两个术语有不同的含义,而且它们彼此不同。可以看出,扭矩是一种形式,它与距离相乘。力矩是指力乘以与物体的任何距离。可以看出,力矩是由于旋转力而转动的。这两个因素之间的主要区别在于,扭矩是对转向力的测量,而力矩是对垂直距离的测量。
Definition of Torque
Figure 1: Torque
扭矩只不过是对物体受力的测量。该场中的力有助于旋转对象。可以看出,物体的旋转发生在其轴内。它可以标记为轴心点(O)。这里力被命名为(F),r是力臂的名称(物理学,2022)。
力臂主要是指枢轴点与力作用点之间的差值。这里的力矩可以通过一个公式来表示,它是$mathrm{Gamma=r乘以F=rFsin(Theta)}$。该公式还定义了力矩是距离矢量和力矢量的叉积。这里最重要的因素是扭矩会产生角加速度。另一方面,扭矩可以称为线性力的旋转当量。
Definition of Moment
Figure 2: Moment
物理学中的力矩主要是指力的力矩。它是对其趋势的测量,它创造了围绕特定点或轴移动的身体。在这里,力矩可以被描述为力的旋转效应。它与力的大小有关,并且位于垂直距离处。在物理学中主要可以看到三种类型的瞬间(Merriam-webster,2022)。
它们是极惯性矩、面积惯性矩和质量惯性矩。一个瞬间的例子可以是打开一扇门。可以看出,当门通过在把手上施加力而打开时,这就是一个瞬间的例子。
Differences between Torque and Moment
Sl no | Torque | Moment |
---|---|---|
1. | Torque refers to the twisting and measure of turning an object. | Moment is the perpendicular length between the force of action and the point of turn (Askanydifference, 2022). |
2. | It mainly infers the force that rotates the object. | Moment is the force that helps to move the object. |
3. | It is a moment-relevant force. | It is the static force |
4. | Torque is mainly dynamic in nature. | Moment is mainly static in nature. |
5. | It is seen that torque can help to create de-acceleration or angular acceleration. | Moment in this field is not able to do these things. |
6. | It is appped when there is rotation within the object. | It is a non-rotational movement. |
Table 1: Differences between Torque and Moment
Static and Dynamic Torque
静态转矩可以定义为不能实时产生角加速度的转矩。当有人被推到一扇关闭的门上,并向他们施加静态扭矩时,尽管施加了很大的力,但门不会在蜂巢中旋转。例如,当有人以一定的恒定速度骑自行车时,通常会在这里施加静态扭矩,因为他们没有实时加速(Memon等人,2020)。简单地说,如果一个转矩可以产生反作用力,那么它可以被视为静态转矩。
另一方面,动态扭矩是一种能够在实时工作的同时产生角加速度的扭矩。当有人驾驶赛车开始加速时,它会根据当时的加速度产生产生动态扭矩。在这种情况下,可以看到给定汽车的车轮沿着其运行的轨道产生加速度。
Elements and measurements of the moment
力矩通常由两个基本要素组成,即实时施加到特定物体上的力和距离。因此,力矩可以定义为力(F)和力矩臂(d)的乘积,该力矩臂在力矩中心和作用线之间具有垂直距离(Abel等人,2020)。力矩的测量过程可以用国际单位制牛顿米(Nm)来完成,它专门给出平行旋转轴上的力的方向。测量还遵循$mathrm{Gamma=F×d}$的公式,以在实时对象中勾勒出时刻。
Conclusion
扭矩可以定义为实时测量移动物体的力的方法。另一方面,力矩是实时测量物体围绕特定轴移动的趋势的方法。尽管相互依赖,但也有一些特定的差异,比如与力矩相关的力和可以实时看到的静态力。扭矩本质上通常是动态的,而力矩本质上是静态的。
FAQs
Q1.力矩和扭矩之间的常见关系是什么
力矩可以定义为物体内转动力的测量值,力矩表现为物体面对作用线时从一个特定点到另一个特定的点的垂直距离。因此,尽管存在差异,但力矩和力矩在力作用线的旋转方面是相互关联的。
Q2.扭矩有特定的方向吗
扭矩能够实时给出力的作用线,这最终使我们能够测量到与作用线的垂直距离。它最终允许扭矩实时给出作用线的垂直方向和位置。
Q3.当扭矩变为零时会发生什么
当净转矩完全为零时,转矩达到旋转平衡。此外,当净转矩变为零时,它变得无法实时获取角加速度。