gc textbook chapter 8 Rotational Motion (id: f1a5b03e2)

admin

本题目来源于试卷: gc textbook chapter 8 Rotational Motion，类别为 unclassified

[问答题]
A 21-speed bicycle has seven sprockets at teh- (pweu uxht)*8 fe5he rear wheel and three hhp.cc+61a4/exaa ao , )slnaat the pedal cranks. In which gear is it ha6a)+alac . pa4h xneh/cos,1arder to pedal, a small rear sprocket or a large rear sprocket? Why? In which gear is it harder to pedal, a small front sprocket or a large front sprocket? Why?

参考答案:



本题详细解析: 暂无

微信扫一扫，阅读更方便