[填空题]
A 55-kg person ridinqo4 lqb7vs3- ymjdba2:-) nqvg a bike puts all her w45lzu *veeg* deight on each pedal when climbing a hill. The pedals rotate in a circle of ug4v ee* 5zl*dradius 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
