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吃透压强与浮力!这份PPT笔记帮你搞定初中物理半壁江山

  • 2026-04-11 10:17:40
吃透压强与浮力!这份PPT笔记帮你搞定初中物理半壁江山

压强与浮力堪称初中物理的“半壁江山”，掌握它，物理成绩就能实现质的飞跃！白云物理讲堂精心整理了这份压强浮力PPT笔记，涵盖核心知识点、公式应用技巧、易错点避雷指南，还有中考真题链接。不用再对着复杂的题型发愁，跟着这份笔记学，轻松搞定压强与浮力！

先来个干货：知识点的脑图

下面进入PPT讲课时间，跟着每页资料，快速掌握关键知识。

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  1. CONNECT:[ UseTime:0.000498s ] mysql:host=127.0.0.1;port=3306;dbname=h_sjds;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000792s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000357s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000339s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000489s ]
  6. SELECT * FROM `set` [ RunTime:0.000189s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000515s ]
  8. SELECT * FROM `article` WHERE `id` = 459678 LIMIT 1 [ RunTime:0.000468s ]
  9. UPDATE `article` SET `lasttime` = 1776885703 WHERE `id` = 459678 [ RunTime:0.002107s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000260s ]
  11. SELECT * FROM `article` WHERE `id` < 459678 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000412s ]
  12. SELECT * FROM `article` WHERE `id` > 459678 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000375s ]
  13. SELECT * FROM `article` WHERE `id` < 459678 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.000565s ]
  14. SELECT * FROM `article` WHERE `id` < 459678 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.000738s ]
  15. SELECT * FROM `article` WHERE `id` < 459678 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.001068s ]
0.079752s