¾«Ó¢¼Ò½ÌÍø½ÇËٶȼƿɲâÁ¿·É»ú¡¢º½ÌìÆ÷¡¢Ç±Í§µÄת¶¯½ÇËٶȣ¬Æä½á¹¹ÈçͼËùʾ£®µ±ÏµÍ³ÈÆÖáOO¡äת¶¯Ê±£¬Ôª¼þA·¢ÉúÒƶ¯²¢Êä³öÏàÓ¦µÄµçѹÐźţ¬³ÉΪ·É»ú¡¢ÎÀÐǵȵÄÖƵ¼ÏµÍ³µÄÐÅÏ¢Ô´£®ÒÑÖªAµÄÖÊÁ¿Îªm£¬µ¯»ÉµÄ¾¢¶ÈϵÊýΪk¡¢×ÔÈ»³¤¶ÈΪl0£¬µçÔ´µÄµç¶¯ÊÆΪE¡¢ÄÚ×è²»¼Æ£®»¬¶¯±ä×èÆ÷×ܳ¤Îªl£¬µç×è·Ö²¼¾ùÔÈ£¬ÏµÍ³¾²Ö¹Ê±PÔÚBµã£¬µ±ÏµÍ³ÒÔ½ÇËٶȦØת¶¯Ê±£¬Çó£º
£¨1£©µ¯»ÉÐαäÁ¿xÓë¦ØµÄ¹Øϵʽ£»
£¨2£©Êä³öµçѹUÓë¦ØµÄº¯Êýʽ£®
·ÖÎö£ºµ±ÏµÍ³ÔÚˮƽÃæÄÚÒÔ½ÇËٶȦØת¶¯Ê±£¬Óɵ¯»ÉµÄµ¯Á¦ÌṩԪ¼þAµÄÏòÐÄÁ¦£¬¸ù¾ÝÅ£¶ÙµÚ¶þ¶¨Âɵõ½½ÇËٶȦØÓ뵯»ÉÉ쳤µÄ³¤¶ÈxµÄ¹Øϵʽ£®¸ù¾Ý´®Áªµç·µçѹÓëµç×è³ÉÕý±È£¬µÃµ½µçѹUÓëxµÄ¹Øϵʽ£¬ÔÙÁªÁ¢½âµÃµçѹUÓë¦ØµÄº¯Êý¹Øϵʽ£®
½â´ð£º½â£º£¨1£©ÉèϵͳÔÚˮƽÃæÄÚÒÔ½ÇËٶȦØת¶¯Ê±£¬µ¯»ÉÉ쳤µÄ³¤¶ÈΪx£¬Ôò¶ÔÔª¼þA£¬¸ù¾ÝÅ£¶ÙµÚ¶þ¶¨Âɵãº
Fn=ma=m¦Ø2R£¬
Fn=kx=m¦Ø2£¨L0+x£©£¬
¼´x=
m¦Ø2l0
k-m¦Ø2

£¨2£©¸ù¾ÝÌâÒâ¿ÉÖª£ºµçѹ±íµÄʾÊýΪ£ºU=
xE
l
=
m¦Ø2l0E
l(k-m¦Ø2)

ËùÒÔµçѹ±íµÄʾÊýUÓë½ÇËٶȦصĺ¯Êý¹ØϵΪ£ºU=
m¦Ø2l0E
l(k-m¦Ø2)
£®
´ð£º£¨1£©µ¯»ÉÐαäÁ¿xÓë¦ØµÄ¹ØϵʽΪ
m¦Ø2l0
k-m¦Ø2
£»
£¨2£©Êä³öµçѹUÓë¦ØµÄº¯ÊýʽΪ
m¦Ø2l0E
l(k-m¦Ø2)
£®
µãÆÀ£º±¾ÌâÊÇÁ¦Óëµç×ÛºÏÌ⣬¹Ø¼üҪѰÕÒÁ¦µçÁªÏµµÄÇÅÁº£®±¾ÌâÁ¦µçÁªÏµµÄŦ´øÊǵ¯»ÉÉ쳤µÄ³¤¶È£®ÖеÈÄѶȣ®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

½ÇËٶȼƿɲâÁ¿·É»ú¡¢º½ÌìÆ÷¡¢Ç±Í§µÄת¶¯½ÇËٶȣ¬Æä½á¹¹ÈçͼËùʾ£®µ±ÏµÍ³ÈÆOO¡äÖáת¶¯Ê±£¬Ôª¼þAÑع⻬¸Ë·¢ÉúλÒƲ¢Êä³öµçѹÐźţ¬³ÉΪ·É»ú¡¢ÎÀÐǵȵÄÖƵ¼ÏµÍ³µÄÐÅÏ¢Ô´£®ÒÑÖªAµÄÖÊÁ¿Îªm£¬µ¯»É¾¢¶ÈϵÊýΪK£¬×ÔÈ»³¤¶ÈΪL£¬µçÔ´µç¶¯ÊÆΪE£¬ÄÚ×è²»¼Æ£º»¬¶¯±ä×èÆ÷×ܳ¤¶ÈΪL£¬µç×è·Ö²¼¾ùÔÈ£®µ±ÏµÍ³¾²Ö¹Ê±PÔÚBµã£»µ±ÏµÍ³ÔÚˮƽÃæÄÚÒÔ½ÇËٶȦØת¶¯Ê±£¬ÊÔд³öÊä³öµçѹUÓë¦ØµÄº¯Êý¹Øϵʽ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

½ÇËٶȼƿɲâÁ¿·É»ú¡¢º½ÌìÆ÷¡¢Ç±Í§µÄת¶¯½ÇËٶȣ¬Æä½á¹¹ÈçͼËùʾ£®µ±ÏµÍ³ÈÆÖáOO¡äת¶¯Ê±£¬Ôª¼þA·¢ÉúλÒƲ¢Êä³öÏàÓ¦µÄµçѹÐźţ¬³ÉΪ·É»ú¡¢ÎÀÐǵȵÄÖƵ¼ÏµÍ³µÄÐÅÏ¢Ô´£®ÒÑÖªAµÄÖÊÁ¿Îªm£¬µ¯»ÉµÄ¾¢¶ÈϵÊýΪk¡¢×ÔÈ»³¤¶ÈΪl£¬µçÔ´µÄµç¶¯ÊÆΪE¡¢ÄÚ×è²»¼Æ£®»¬¶¯±ä×èÆ÷×ܳ¤Ò²Îªl£¬µç×è·Ö²¼¾ùÔÈ£¬ÏµÍ³¾²Ö¹Ê±PÔÚBµã£¬µ±ÏµÍ³ÒÔ½ÇËٶȦØת¶¯Ê±£¬Ôò£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2003?˳µÂÇøÄ£Ä⣩½ÇËٶȼƿɲâÁ¿·É»ú¡¢º½ÌìÆ÷¡¢Ç±Í§µÄת¶¯½ÇËٶȣ¬Æä½á¹¹ÈçͼËùʾ£¬µ±ÏµÍ³ÈÆOO¡äת¶¯Ê±£¬Ôª¼þA·¢ÉúλÒƲ¢Êä³öµÄµçѹÐźţ¬³ÉΪ·É»ú¡¢ÎÀÐǵȵÄÖƵ¼ÏµÍ³µÄÐÅÏ¢Ô´£®ÒÑÖªAµÄÖÊÁ¿Îªm£¬µ¯»É¾¢¶ÈϵÊýΪk¡¢×ÔÈ»³¤¶ÈΪL£¬µçÔ´µç¶¯ÊÆΪE¡¢ÄÚ×è²»¼Æ£¬»¬¶¯±ä×èÆ÷×ܳ¤¶ÈΪL£®µç×è·Ö²¼¾ùÔÈ£¬ÏµÍ³¾²Ö¹Ê±PÔÚBµã£¬µ±ÏµÍ³ÒÔ½ÇËٶȦØת¶¯Ê±£¬Êä³öµçѹUºÍ¦ØµÄº¯ÊýʽΪ
mE¦Ø2
k-m¦Ø2
mE¦Ø2
k-m¦Ø2
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

½ÇËٶȼƿɲâÁ¿·É»ú¡¢º½ÌìÆ÷µÈµÄת¶¯½ÇËÙ¶È,Æä½á¹¹ÈçͼËùʾ.µ±ÏµÍ³OO¡äת¶¯Ê±,Ôª¼þA·¢ÉúλÒƲ¢Êä³öµçѹÐźÅ,³ÉΪ·É»ú¡¢º½ÌìÆ÷µÈµÄÖƵ¼ÏµÍ³µÄÐźÅÔ´.ÒÑÖªAµÄÖÊÁ¿Îªm,µ¯»ÉµÄ¾¢¶ÈϵÊýΪK¡¢×ÔÈ»³¤¶ÈΪL,µçÔ´µÄµç¶¯ÊÆΪE¡¢ÄÚ×è²»¼Æ,»¬¶¯±ä×èÆ÷×ܳ¤¶ÈΪl,µç×è·Ö²¼¾ùÔÈ.ϵͳ¾²Ö¹Ê±PÔÚBµã,µ±ÏµÍ³ÒÔ½ÇËÙ¶Èת¶¯Ê±,Çëµ¼³öÊä³öµçѹUºÍµÄº¯Êýʽ.(ÒªÇó:д³öÿ²½ÀíÓɼ°Ö÷Òª·½³Ì)

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸