gc textbook chapter 8 Rotational Motion (id: c7541a728)

[填空题]
A 55-kg person riding a bike puts all her weight +pwo,dc)b5l ctl8w.w on ea(sh oit:g 3dr9ch pedal when climbing a hill. The pedals3 hr iogd:(t9s 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?

参考答案: 92±2%


本题详细解析: