A.1.79:1B.1.89:1C.2.39:1D.2.09:1
A.越細(xì)轉(zhuǎn)向力越小B.越細(xì)轉(zhuǎn)向力越大C.越粗轉(zhuǎn)向力越小
A.轉(zhuǎn)向時,汽車因離心力B.加速時,汽車因離心力C.轉(zhuǎn)向時,汽車因驅(qū)動力D.加速時,汽車因驅(qū)動力