[填空题]
A 55-kg person riding a bike puts alls ww.fdn 7k6us,tdj71bq t- ,jxa/0k0p- s i;ce3dh mrher weight on each pedal when climbing a h-ph e 0kdmx;3 /0crasiill. The pedals rotate in a circle of radius 17 cm. (a) What is the maximum torque she exerts? $m \cdot N$ (b) How could she exert more torque?