ÌâÄ¿ÄÚÈÝ

| ||
6 |
·ÖÎö£º±¾Ì⿼²éÁËÅ£¶ÙÔ˶¯¶¨ÂÉ¡¢¹¦ÄܹØϵµÄÀí½â¼°Ó¦Óã®ÅªÇåÕû¸ö¹ý³ÌµÄ¹¦ÄÜת»¯£¬´Ó¿ªÊ¼µ½Ä¾ÏäÇ¡ºÃ±»µ¯»Øµ½¹ìµÀ¶¥¶Ë¹ý³Ì£¬ÏµÍ³ËðʧµÄÄÜÁ¿Îªmglsin¦È¼´mµÄÖØÁ¦ÊÆÄÜ£¬È«²¿ÓÃÀ´¿Ë·þĦ²ÁÁ¦×ö¹¦£®Ö»¿´¿ªÊ¼ºÍ×îºóÁ½¸ö״̬µ¯»Éµ¯ÐÔÊÆÄÜÒÔ¼°MµÄ»úеÄÜûÓиı䣬¾Ý´Ë¿ÉÒÔÀûÓù¦ÄܹØϵÇó½â£®
½â´ð£º½â£ºA¡¢B£¬ÊÜÁ¦·ÖÎö¿ÉÖª£¬Ï»¬Ê±¼ÓËÙ¶ÈΪgsin¦È-¦Ìgcos¦È£¬ÉÏ»¬Ê±¼ÓËÙ¶ÈΪgsin¦È+¦Ìgcos¦È£¬¹ÊCÕýÈ·£»
ÉèÏ»¬µÄ¾àÀëΪl£¬¸ù¾Ý¹¦ÄܹØϵÓУº¦Ì£¨m+M£©glcos¦È+¦ÌMglcos¦È=mglsin¦È£¬µÃm=2M£®Ò²¿ÉÒÔ¸ù¾Ý³ýÁËÖØÁ¦¡¢µ¯ÐÔÁ¦×ö¹¦ÒÔÍ⣬»¹ÓÐÆäËûÁ¦£¨·ÇÖØÁ¦¡¢µ¯ÐÔÁ¦£©×öµÄ¹¦Ö®ºÍµÈÓÚϵͳ»úеÄܵı仯Á¿£¬¹ÊBCÕýÈ·£¬A´íÎó£»
C¡¢DÔÚľÏäÓë»õÎï´Ó¶¥¶Ë»¬µ½×îµÍµãµÄ¹ý³ÌÖУ¬¼õÉÙµÄÖØÁ¦ÊÆÄÜת»¯Îªµ¯»ÉµÄµ¯ÐÔÊÆÄܺÍÄÚÄÜ£¬¹ÊD´íÎó£®
¹ÊÑ¡BC£®
ÉèÏ»¬µÄ¾àÀëΪl£¬¸ù¾Ý¹¦ÄܹØϵÓУº¦Ì£¨m+M£©glcos¦È+¦ÌMglcos¦È=mglsin¦È£¬µÃm=2M£®Ò²¿ÉÒÔ¸ù¾Ý³ýÁËÖØÁ¦¡¢µ¯ÐÔÁ¦×ö¹¦ÒÔÍ⣬»¹ÓÐÆäËûÁ¦£¨·ÇÖØÁ¦¡¢µ¯ÐÔÁ¦£©×öµÄ¹¦Ö®ºÍµÈÓÚϵͳ»úеÄܵı仯Á¿£¬¹ÊBCÕýÈ·£¬A´íÎó£»
C¡¢DÔÚľÏäÓë»õÎï´Ó¶¥¶Ë»¬µ½×îµÍµãµÄ¹ý³ÌÖУ¬¼õÉÙµÄÖØÁ¦ÊÆÄÜת»¯Îªµ¯»ÉµÄµ¯ÐÔÊÆÄܺÍÄÚÄÜ£¬¹ÊD´íÎó£®
¹ÊÑ¡BC£®
µãÆÀ£º±¾Ìâ±È½ÏÈ«ÃæµÄ¿¼²éÁËѧÉú¶Ô¹¦ÄܹØϵ¡¢Å£¶ÙÔ˶¯¶¨ÂɵȵÄÀí½âÓëÓ¦Óã¬ÓÐÒ»¶¨ÄѶȣ¬ÔÚƽʱҪ¼ÓÇ¿Õâ·½ÃæµÄѵÁ·£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿