[填空题]
A 55-kg person riding a bike puts all her w0aeh +6eb6brftvp+ l5eight on each pedal w vq,o8yi ujqx:u 9: oei7zx90then climbing a hill. The pedals rotate in a circle of radius 17 cm txy8i 9que9 :70jvqioo:ux,z. (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
