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 a .5uvmt86yf sjnls -o6c35xu qt the rear wheel and tnk n7s:t)pcv/gylb )2hree at the pedal cranks. In which gear is it harder to pedal, a small rear sprocket or a large re l)c p2y/)tg7:kbsn vnar 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