Because the most torque an electric motor has is at zero speed.
因为电动马达的最大力矩处于零速度。
So the sum of all forces is zero, and there is no torque.
所有力之和为，没有力矩。
The total internal torque in any system is equal to zero.
任何一个系统，其总内转矩等于零。
The total internal torque in any system is equal to zero.
任何一个系统，其总内转矩等于零。
应用推荐