Znn3bq.jpeg
±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 263  |  »Ø¸´: 2

xuanlv315

½û³æ (³õÈëÎÄ̳)

±¾ÌûÄÚÈݱ»ÆÁ±Î

» ±¾ÌûÒÑ»ñµÃµÄºì»¨£¨×îÐÂ10¶ä£©

» ²ÂÄãϲ»¶

» ±¾Ö÷ÌâÏà¹ØÉ̼ÒÍÆ¼ö: (ÎÒÒ²ÒªÔÚÕâÀïÍÆ¹ã)

» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:

ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

lihao1223

гæ (ÕýʽдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
xuanlv315: ½ð±Ò+10, ¡ï¡ï¡ïºÜÓаïÖú 2014-01-07 16:17:27

»¬¿éÊÜÁ¦·ÖÎö  
¿¼Âǵ½»¬¿é²»ÊÜÍ侨×÷Óã¬Ôò¿ªÄ£Ë²¼ä»¬¿éµÄ¾²Á¦Æ½ºâ·½³Ì±íʾΪ: 
F f3 f4 f2¡¤sin¦Â f1¡¤sin¦Á£½N1¡¤cos¦Á N2¡¤cos¦Â (1) N3 N1¡¤sin¦Á f1¡¤cos¦Á=N2¡¤sin¦Â N4 (2)
(N1¡¤cos¦Á£­f1¡¤sin¦Á)b (N1¡¤sin¦Á f1¡¤cos¦Á)¡¤(s btg¦Á) f2(S£­h)¡¤sin¦Â N4(a/2-s)=Fc f3
b N2sin¦Â(s-h/2) N2cos¦Â(b-sin¦Âh/2) N3(a/2-s) (3)
Òò´Ë£¬¿ªÄ£Ê±»¬¿éµÄÊÜÁ¦Çé¿ö¼ÈÓë³éоÁ¦Óйأ¬Í¬Ê±Ó뻬¿é¼°Ð±ÏúµÄ½á¹¹³ß´çÏà¹Ø¡£¿¼Âǵ½Ð¨½ô¿é
ºÍ¶¨Ä£Ì×°åÖ»ÔÚºÏģ״̬¼°¿ªÄ£Ë²¼äÆð×÷Óá£Í¬Ê±f1=¦ÌN1£¬f2=¦ÌN2£¬f3=¦ÌN3£¬f4=¦ÌN4£¬Ôò³éо  
¹ý³ÌÖл¬¿é¾²Á¦Æ½ºâ·½³Ì¼ò»¯Îª: 
N1¡¤cos¦Á=F f3=F ¦ÌN3 (4)
N1¡¤sin¦Á=N3 (5)
ÁªÁ¢(4)¡¢(5)ʽ½âµÃ 
N1=F/(cos¦Á-¦Ìsin¦Á) 
Èôcos¦Á£­¦Ìsin¦ÁΪÁ㣬ÔòN1ΪÎÞÇî´ó£¬´Ëʱ»¬¿é×ÔËø£¬¼´»¬¿é×ÔËøÌõ¼þΪ¦Ì=tan¦Á¡£   
Ϊ¿É¿¿±£Ö¤»¬¿é¹¤×÷ʱ²»×ÔËø£¬¦Áȡֵ²»Ò˹ý´ó£¬µ«¦ÁÖµ¼õÉÙʱ½«µ¼Ö»¬¿éºÍбÏú¶È±ØÐëÏàÓ¦Ôö¼Ó²ÅÄܱ£Ö¤³éо¾à£¬ËùÒÔ¦Áȡֵһ°ãÒÔ15¡ã"25¡ãΪÒË¡£ 
³èÈè²»¾ª£¬¿´Í¥Ç°»¨¿ª»¨Â䣻ȥÁôÎÞÒ⣬Íû±Ì¿ÕÔÆ¾íÔÆÊæ¡£
2Â¥2014-01-07 16:14:48
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

xuanlv315

½û³æ (³õÈëÎÄ̳)

Ëͺ컨һ¶ä
±¾ÌûÄÚÈݱ»ÆÁ±Î

3Â¥2014-01-07 16:15:58
ÒÑÔÄ   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ xuanlv315 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Çó»úеר˶297µÚ¶þÅúµ÷¼Á +3 ʰÆâ12¡£ 2026-04-08 3/150 2026-04-08 22:25 by laoshidan
[¿¼ÑÐ] µ÷¼Á +9 ÔÂ@163.com 2026-04-08 9/450 2026-04-08 21:44 by ZMQAHPU
[¿¼ÑÐ] »úе¹¤³Ì313·ÖÕÒ¹¤¿Æµ÷¼Á +3 ˫һÁ÷±¾¿Æ»úе 2026-04-08 3/150 2026-04-08 20:41 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] 274Çóµ÷¼ÁÇóµ÷¼Á +10 Jachenbingoo 2026-04-06 13/650 2026-04-08 14:25 by zhq0425
[¿¼ÑÐ] 288Çóµ÷¼Á +12 ûÓдð°¸_ 2026-04-05 12/600 2026-04-08 00:17 by T¿É¿ÉÎ÷ÀïT
[¿¼ÑÐ] ÉúÎ﹤³ÌÇóµ÷¼Á +13 ϲ»¶»¹ÊDz»¸ÊÐÄ 2026-04-05 13/650 2026-04-07 16:55 by Ecowxq666£¡
[¿¼ÑÐ] Ò»Ö¾Ô¸±±¾©2£¬²ÄÁÏÓ뻯¹¤308Çóµ÷¼Á +16 ÐܶþÏëÉϰ¶ 2026-04-04 17/850 2026-04-07 14:58 by BruceLiu320
[¿¼ÑÐ] 319·Ö085702°²È«¹¤³ÌÇóµ÷¼Á +6 rious 2026-04-05 6/300 2026-04-07 09:42 by jp9609
[¿¼ÑÐ] ¿¼Ñе÷¼Á +3 WwwwwwwÍÛ 2026-04-06 3/150 2026-04-06 20:55 by lbsjt
[¿¼ÑÐ] ÉúÎïѧÇóµ÷¼Á +5 15064154688 2026-04-03 5/250 2026-04-06 11:56 by lijunpoly
[¿¼ÑÐ] 326Çóµ÷¼Á +3 ¹ËÈô¸¡Éú 2026-04-05 3/150 2026-04-05 18:32 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 358Çóµ÷¼Á +7 Çïgk 2026-04-04 7/350 2026-04-05 13:29 by huangmoli
[¿¼ÑÐ] Çó +5 »¯¹¤×¨Ë¶323·Ö 2026-04-04 5/250 2026-04-05 08:02 by 544594351
[¿¼ÑÐ] 277Çóµ÷¼Á +4 12A3 2026-04-02 5/250 2026-04-04 20:28 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 331Çóµ÷¼Á +3 niby 2026-04-02 3/150 2026-04-04 19:56 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 321Çóµ÷¼Á +13 ÈÏÕæÇóÉÏѧ 2026-04-02 13/650 2026-04-04 18:23 by macy2011
[¿¼ÑÐ] 319Çóµ÷¼Á +4 ÐÇÐDz»Õ£ÑÛà¶ 2026-04-03 4/200 2026-04-04 16:25 by ÖзÉÔº¿Õ¹ÜѧԺÑ
[¿¼ÑÐ] Çóµ÷¼Á +8 akdhjs 2026-04-03 8/400 2026-04-03 18:17 by ´÷άING
[¿¼ÑÐ] ר˶085601Çóµ÷¼Á +7 suyifei 2026-04-03 8/400 2026-04-03 14:00 by ÐÀϲ777
[¿¼ÑÐ] 283Çóµ÷¼Á +3 jiouuu 2026-04-02 4/200 2026-04-02 14:08 by ßÕßÕßÕßÉßÉßÉ
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û