[填空题]
A 55-kg person riding a bike puts all her weight on each ped*rxtx)reo p ,/al when climbiwlbw*rfyqr2l7 -h-k,e-n 8 lvng a hill. The pedals rotate in a circle of rah yb7q*ne fll2vkr8-wrl -, w-dius 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
