[填空题]
A 55-kg person riding a bike puts all herp0l3qo8eobw *: 9)x ognelyq6ph30hkweight on each pedal when climbing a hill. The pedals rotate enok)l: hy h0p39q xg6in 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
