[填空题]
A 1.4-kg grindstone 61tio+w8ry + , a-fy;lvxuqxvive*8l3*cxfn+awbq : un the shape of a uniform cylinder of radius 0.20 m acquires a rotational rate of from rest over a 6.0-s interval at constant angula 3*cxuwbf*a+l : nq8evr acceleration. Calculate the torque delivered by the motor. $m \cdot N$