[填空题]
A 55-kg person riding a bike puts all her weimmyn 638lde06mj z n +wa)ow2ight on each f ti7 j:p+ws2 z4tju1bpedal when climbing a hill. The pedals rotate in a circle o+t1pjtfzw7 uj2s :b 4if 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
