1) the fundamental law of dynamics of rotational motion about the axis through the center of mass
绕质心的转动定律
1.
By the law of kinematic of centre-mass and the fundamental law of dynamics of rotational motion about the axis through the center of mass it a chieves the theorem of kinetic energy of rigid body with non-fixed axis through the center,and it analyses and discusses the two exercises of mechanics.
通过质心运动定律和绕质心的转动定律得到刚体非定轴转动的动能定理,并对两道力学习题作了分析和讨论。
2) rotation around center of mass

绕质心转动
3) the law of kinematic of centre-mass

质心运动定律
1.
By the law of kinematic of centre-mass and the fundamental law of dynamics of rotational motion about the axis through the center of mass it a chieves the theorem of kinetic energy of rigid body with non-fixed axis through the center,and it analyses and discusses the two exercises of mechanics.
通过质心运动定律和绕质心的转动定律得到刚体非定轴转动的动能定理,并对两道力学习题作了分析和讨论。
4) rotating kinetic ene

绕定轴的转动动能
6) rotation round a fixed point

绕定点转动
1.
In this paper the kinetic energy formula of rigid body in rotation round a fixed point is derived in teaching on physics.
本人从教学角度推导了刚体绕定点转动的动能定理。
补充资料:质心
质心 mass,centre of 质点系质量分布的平均位置。质量中心的简称。它同作用于质点系上的力系无关。设n个质点组成的质点系,其各质点的质量分别为m1,m2,…,mn。若用r1,r2,…,rn分别表示质点系中各质点相对某固定点的矢径,rc表示质心的矢径,则有rc= ![]() ![]() ![]() ![]() |
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条