登入後可作答並查看完整詳解
a2=M2g−TM2a_2 = \frac{M_2 g - T}{M_2}a2=M2M2g−T
a1=M2g−fM1a_1 = \frac{M_2 g - f}{M_1}a1=M1M2g−f
a1=M2g−fM1+M2a_1 = \frac{M_2 g - f}{M_1 + M_2}a1=M1+M2M2g−f