[填空题]
An elevator (mass 4850 kg ) is to be designed so that the m92gupsabo n* zjs(z;* axiitv(dqo w rp 1g7-r:n7t2mqk5 mum acceleration is 0.0680 g . What are the maximum and minimum forces the motor should exert on the supporting cable? max m1w-qogqi2(kr v 7d:7tt p5n r= min =