[填空题]
A 55-kg person riding a bike puts alldczm+pp 4,7 nq her weight o f98zt gaf1u)c.l/ noun each pedal when climbing a hill. The pedals rotate iu1ca t8z9l.n f)/uo fgn 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
