Skip to content

Categories:

範例:作功為零

下列何者作功為零?(A)人造衛星繞地球一週,萬有引力對衛星作功 (B)單擺之張力對擺錘作功 (C)單擺擺動,重力對擺錘作功 (D)斜向拋射某物體,自拋出至最高點,重力對物體作功 (E)物體繫於水平放置之彈簧上作S.H.M.,彈力對物體作功。

 

相關文章:

Posted in 功與變力作功.

Tagged with , , , .


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.



9 visitors online now
3 guests, 4 bots, 2 members
All time: 479 at 08-18-2020 08:10 pm UTC
Max visitors today: 52 at 12:17 am UTC
This month: 145 at 11-03-2024 07:36 pm UTC
This year: 259 at 08-23-2024 08:56 pm UTC