A.M1=M2=M0 B.M1=M2=2M0 C.M1=M2=1/2M0 D.M1+M2=2M0
A.n1+n2=n0 B.n1+n2=2n0 C.n1+n2=1/2n0 D.n1=n2=n0
A.汽車轉(zhuǎn)彎 B.直線行駛 C.A、B情況下都起作用 D.A、B情況下都不起作用