[填空题]
A 55-kg person riding a bike puts 2k -+l6mj 6tmrp zj.hhall her weight on eacss-zku03)b0,w t cxdfh pedal when climbing a hill. T ckdt-)sbzu3 x0,0 fswhe pedals rotate in a circle 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
