[填空题]
A 55-kg person riding a bike puts all her weight on each4n/r ptnj 5ul agoe1:) pedal when climbi wz2. v7rmb) wu8l8mxrng a hill. The pedals rotate in a zr.788mb)wr wulx2m vcircle of 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
