There is 0 vote topic in this bar.
Content converter: No conversion▼
 
Clicks Replies Title Author Last Reply
No posts
Create a vote
Title:
Content:
Sorry, only old users, bar members and bar administrators are allowed to create votes in this bar. If you have any questions, please contact the bar administrators or give your feedback in the complaint center.
Sorry, only old users, bar members and bar administrators are allowed to create votes in this bar. If you have any questions, please contact the bar administrators or give your feedback in the complaint center.
User: You are currently anonymous.
(Shortcut key: Ctrl+Enter)
Bar Information
Fans: 0
Admins:  None
Members:  会员0

Category: None

File
力学（英語：mechanics）是物理学的一个分支，主要研究能量和力以及它们与物体的平衡、变形或运动的关系。
隨著人们在日常劳动中使用杠杆、打水器具等次數的增多，而逐渐认识物体受力，及其平衡的情况...