ÌâÄ¿ÄÚÈÝ
£¨1£©Èçͼ£¨1£©£¬×ö¡°Ì½Ë÷µ¯Á¦Ó뵯»ÉÉ쳤Á¿¹Øϵ¡±µÄʵÑé²½ÖèÈçÏ£º
A£®ÒÔµ¯»ÉÉ쳤Á¿Îªºá×ø±ê£¬ÒÔµ¯Á¦Îª×Ý×ø±ê£¬Ãè³ö¸÷×éÊý¾Ý£¨x£¬F£©¶ÔÓ¦µÄµã£¬²¢ÓÃƽ»¬µÄÇúÏßÁ¬½ÓÆðÀ´
B£®¼Çϵ¯»É²»¹Ò¹³Âëʱ£®Æä϶ËÔڿ̶ȳßÉϵĿ̶ÈL
C£®½«Ìú¼Ų̈¹Ì¶¨ÔÚ×À×ÓÉÏ£¨Ò²¿ÉÔÚºáÁºµÄÁíÒ»¶Ë¹ÒÉÏÒ»¶¨µÄÅäÖØ£©£¬²¢½«µ¯»ÉµÄÒ»¶ËϵÓÚºáÁºÉÏ£¬ÔÚµ¯»É¸½½üÊúÖ±¹Ì¶¨Ò»¿Ì¶È³ß
D£®ÒÀ´ÎÔÚµ¯»É϶˹ÒÉÏ2¸ö¡¢3¸ö¡¢4¸ö¡¹³Â룬²¢·Ö±ð¼ÇϹ³Â뾲ֹʱµ¯»É϶ËËù¶ÔÓ¦µÄ¿Ì¶È£¬²¢¼Ç¼ÔÚ±í¸ñÄÚ£¬È»ºóȡϹ³Âë
E£®ÒÔµ¯»ÉÉ쳤Á¿Îª×Ô±äÁ¿£¬Ð´³öµ¯Á¦ÓëÉ쳤Á¿µÄ¹Øϵʽ£®Ê×Ïȳ¢ÊÔд³ÉÒ»´Îº¯Êý£¬²»ÐÐÔÙд³É¶þ´Îº¯Êý
F£®½âÊͺ¯Êý±í´ïʽÖг£ÊýµÄÎïÀíÒâÒå
G£®ÕûÀíÒÇÆ÷
¢ÙÇ뽫ÒÔÉϲ½Öè°´²Ù×÷µÄÏȺó˳ÐòÅÅÁгöÀ´£¬Îª£º
¢ÚijͬѧÔÚ×öÑо¿µ¯»ÉµÄÐαäÓëÍâÁ¦µÄ¹ØϵʵÑéʱ£¬×÷³öÍâÁ¦FÓ뵯»É×ܳ¤¶ÈLµÄ¹ØϵͼÏßÈçͼ£¨2£©Ëùʾ£®¸ÃʵÑéʼÖÕÔÚµ¯»ÉµÄµ¯ÐÔÏÞ¶ÈÄÚ½øÐУ®ÓÉͼ£¨2£©¿ÉÖª£º¸Ãµ¯»ÉµÄ×ÔÈ»³¤¶ÈΪ
A£®ÒÔµ¯»ÉÉ쳤Á¿Îªºá×ø±ê£¬ÒÔµ¯Á¦Îª×Ý×ø±ê£¬Ãè³ö¸÷×éÊý¾Ý£¨x£¬F£©¶ÔÓ¦µÄµã£¬²¢ÓÃƽ»¬µÄÇúÏßÁ¬½ÓÆðÀ´
B£®¼Çϵ¯»É²»¹Ò¹³Âëʱ£®Æä϶ËÔڿ̶ȳßÉϵĿ̶ÈL
C£®½«Ìú¼Ų̈¹Ì¶¨ÔÚ×À×ÓÉÏ£¨Ò²¿ÉÔÚºáÁºµÄÁíÒ»¶Ë¹ÒÉÏÒ»¶¨µÄÅäÖØ£©£¬²¢½«µ¯»ÉµÄÒ»¶ËϵÓÚºáÁºÉÏ£¬ÔÚµ¯»É¸½½üÊúÖ±¹Ì¶¨Ò»¿Ì¶È³ß
D£®ÒÀ´ÎÔÚµ¯»É϶˹ÒÉÏ2¸ö¡¢3¸ö¡¢4¸ö¡¹³Â룬²¢·Ö±ð¼ÇϹ³Â뾲ֹʱµ¯»É϶ËËù¶ÔÓ¦µÄ¿Ì¶È£¬²¢¼Ç¼ÔÚ±í¸ñÄÚ£¬È»ºóȡϹ³Âë
E£®ÒÔµ¯»ÉÉ쳤Á¿Îª×Ô±äÁ¿£¬Ð´³öµ¯Á¦ÓëÉ쳤Á¿µÄ¹Øϵʽ£®Ê×Ïȳ¢ÊÔд³ÉÒ»´Îº¯Êý£¬²»ÐÐÔÙд³É¶þ´Îº¯Êý
F£®½âÊͺ¯Êý±í´ïʽÖг£ÊýµÄÎïÀíÒâÒå
G£®ÕûÀíÒÇÆ÷
¢ÙÇ뽫ÒÔÉϲ½Öè°´²Ù×÷µÄÏȺó˳ÐòÅÅÁгöÀ´£¬Îª£º
CBDGAEF »òCBDAEFG
CBDGAEF »òCBDAEFG
£»¢ÚijͬѧÔÚ×öÑо¿µ¯»ÉµÄÐαäÓëÍâÁ¦µÄ¹ØϵʵÑéʱ£¬×÷³öÍâÁ¦FÓ뵯»É×ܳ¤¶ÈLµÄ¹ØϵͼÏßÈçͼ£¨2£©Ëùʾ£®¸ÃʵÑéʼÖÕÔÚµ¯»ÉµÄµ¯ÐÔÏÞ¶ÈÄÚ½øÐУ®ÓÉͼ£¨2£©¿ÉÖª£º¸Ãµ¯»ÉµÄ×ÔÈ»³¤¶ÈΪ
10
10
cm£»¸Ãµ¯»ÉµÄ¾¢¶ÈϵÊýΪ50
50
N/m£®£¨ºóÒ»¿Õ±£ÁôÈýλÓÐЧÊý×Ö£©·ÖÎö£º£¨1£©¢ÙʵÑé²½ÖèÒª±¾×ÅÏÈ°²×°É豸£¬ÔÙ½øÐÐʵÑ飬ºó½øÐÐÊý¾Ý´¦ÀíµÄ˼·½øÐУ»¢Ú¸ù¾Ýºú¿Ë¶¨ÂÉд³öFÓëLµÄ¹Øϵ·½³Ì£¬È»ºó¸ù¾ÝÓйØÊýѧ֪ʶ½øÐÐÇó½â£®
½â´ð£º½â£º£¨1£©±¾×Å°²×°É豸£¬½øÐÐʵÑ飬Êý¾Ý´¦ÀíµÄ˼·½øÐа²ÅÅʵÑé²½Ö裬¶ÔÓÚÒÇÆ÷µÄÕûÀí¿ÉÒÔ×öÍêʵÑéºó½øÐУ¬Ò²¿ÉÒÔ×îºó´¦ÀíÍêÊý¾Ýºó½øÐУ®
¹Ê´ð°¸Îª£ºCBDGAEF »òCBDAEFG£®
£¨2£©¸ù¾Ýºú¿Ë¶¨ÂÉÓУºF=k£¨l-l0£©£¬Óɴ˿ɺáÖá½Ø¾à´óСΪµ¯»ÉÔ³¤£¬Í¼ÏóµÄбÂÊ´óСΪµ¯»ÉµÄ¾¢¶ÈϵÊý£¬¹ÊÓÉͼÏóµÃ£ºl0=10cm£¬k=50N/m£®
¹Ê´ð°¸Îª£º10£¬50£®
¹Ê´ð°¸Îª£ºCBDGAEF »òCBDAEFG£®
£¨2£©¸ù¾Ýºú¿Ë¶¨ÂÉÓУºF=k£¨l-l0£©£¬Óɴ˿ɺáÖá½Ø¾à´óСΪµ¯»ÉÔ³¤£¬Í¼ÏóµÄбÂÊ´óСΪµ¯»ÉµÄ¾¢¶ÈϵÊý£¬¹ÊÓÉͼÏóµÃ£ºl0=10cm£¬k=50N/m£®
¹Ê´ð°¸Îª£º10£¬50£®
µãÆÀ£º¶ÔÓÚ»ù´¡ÊµÑéÒª¼ÓÇ¿¶¯ÊÖÄÜÁ¦£¬Ìá¸ßʵÑéˮƽ£¬Í¬Ê±¼ÓÇ¿Êýѧ֪ʶÔÚÎïÀíÖеÄÓ¦Óã¬Ìá¸ßÊý¾Ý´¦ÀíÄÜÁ¦£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿