長15cm,寬10cm,厚5cm之磚塊,重疊於30o之斜坡上(並不滑動),問最多可疊幾塊?
竭誠歡迎您光臨本物理教學網站! 版主 張慶堂
長15cm,寬10cm,厚5cm之磚塊,重疊於30o之斜坡上(並不滑動),問最多可疊幾塊?
Posted in 重心與質心.
rev="post-3447" No comments
By admin – 2010 年 09 月 28 日
會員人數: 139,931 人
Proudly powered by WordPress and Carrington.
0 Responses
Stay in touch with the conversation, subscribe to the RSS feed for comments on this post.
You must be logged in to post a comment.