[填空题]
A 55-kg person riding a bike pu s9 o,cgegx54xts all her w;2/:/x*tbg+ibgzjt pr l6 ph keight on each pedal when climbing a hill. The pedals rotate in a circle of rklg hzjrtb :+6p /x2i;pgb/t*adius 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
