[填空题]
A 55-kg person riding a bike putshgn yc4y;i m:14.yi al al h88hgwff d 1y37wti(sl her weight on each pedal when climbing a hill. The peda hhd8wwft 1s( yfig387ls 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?
Post time 2025-2-18 20:00:22
