These equations most briefly demonstrate the relationship between rotational motion quantity of body and principalmoment of force system.
这些方程最简明地给定了物体转动运动量与物体所受力系主矩之间的关系。
2
The paper deducts the formula of principalmoment of inertial force system of gyroscope and the formula of its principalmoment of inertial force system by its moving force.
本文推导出了使回转仪进动的惯性力偶矩公式及由进动产生的惯性力偶矩公式。
3
In such case, it is proved that, for the unique existence of solution, there must be given in addition the principal vector and the principalmoment of the external forces on each boundary contour.