[填空题]
A 55-kg person riding a bike puts a+ rf0rb yrg0.t3i 7e )0ckihboll her weight on each pedal wheom17 yk ojj*q)n climbing a hill. The pedals rotate in a circle of radiusyoq*)jo71k mj 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
