设:物体C的速度为:v,加速度为:a
系统的动量矩为:Fm=m2vr+Jv/r
则有:dFm/dt=M-m2grFs
m2rdv/dt+Jdm/rdt=M-m2rFs
m2ra+Ja/r=M-m2rFs,J=m1r^2/2
则有:m2ar+m1ar/2=M-m2grFs
解得:a=2(M-m2grFs)/(2m2r+m1r)
设:轴承处的反力为:Fx,Fy
则有:Fy=m1g
Fx=m2gFs+2m2(M-m2grFs)/(2m2r+m1r)
设:物体C的速度为:v,加速度为:a
系统的动量矩为:Fm=m2vr+Jv/r
则有:dFm/dt=M-m2grFs
m2rdv/dt+Jdm/rdt=M-m2rFs
m2ra+Ja/r=M-m2rFs,J=m1r^2/2
则有:m2ar+m1ar/2=M-m2grFs
解得:a=2(M-m2grFs)/(2m2r+m1r)
设:轴承处的反力为:Fx,Fy
则有:Fy=m1g
Fx=m2gFs+2m2(M-m2grFs)/(2m2r+m1r)