[填空题]
A 55-kg person riding a )fej; gde mcw;umjl .9g36zo)bike puts4 :xd13u zvpvd all her weight on each pedal when climbing a hill. The pedalpd1x4 u3dvz: vs 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
