This object is hanging there, it's not being accelerated so the net acceleration must be zero.

物体无加速度地，悬挂在此，合力为零，加速度亦为零。

youdao

If there is a net torque, there will be an angular acceleration, and that's what you see.

若存在净转矩，就会产生角加速度，正如你们所见。

youdao

If there is a net torque, there will be an angular acceleration, and that's what you see.

若存在净转矩，就会产生角加速度，正如你们所见。

youdao