¸ù¾Ý¡°Ñé֤ţ¶ÙµÚ¶þ¶¨ÂÉ¡±µÄʵÑéÍê³ÉÏÂÃæµÄÌâÄ¿
£¨1£©ÓйØʵÑéÒÔ¼°Êý¾Ý´¦Àí£¬ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£º
ACD
ACD

A£®Ó¦Ê¹É³ºÍСͰµÄ×ÜÖÊÁ¿Ô¶Ð¡ÓÚС³µºÍíÀÂëµÄ×ÜÖÊÁ¿£¬ÒÔ¼õСʵÑéÎó²î
B£®¿ÉÒÔÓÃÌìƽ²â³öСͰºÍÉ°µÄ×ÜÖÊÁ¿m1¼°Ð¡³µºÍíÀÂë×ÜÖÊÁ¿m2£»¸ù¾Ý¹«Ê½a=m1g/m2Çó³öС³µµÄ¼ÓËÙ¶È
C£®´¦ÀíʵÑéÊý¾Ýʱ²ÉÓÃÃèµã·¨»­Í¼Ïó£¬ÊÇΪÁ˼õСÎó²î
D£®´¦ÀíʵÑéÊý¾Ýʱ²ÉÓÃa-1/MͼÏó£¬ÊÇΪÁ˱ãÓÚ¸ù¾ÝͼÏßÖ±¹ÛµÄ×÷³öÅжÏ
£¨2£©Ä³Ñ§ÉúÔÚƽºâĦ²ÁÁ¦Ê±£¬°Ñ³¤Ä¾°åµÄ¶ËµæµÃ¹ý¸ß£¬Ê¹µÃÇã½ÇÆ«´ó£®ËûËùµÃµ½a-F¹Øϵ¿ÉÓÃͼÖÐÄĸùͼÏß±íʾ£¿
C
C
£¨Í¼ÖÐaÊÇС³µµÄ¼ÓËٶȣ¬FÊÇϸÏß×÷ÓÃÓÚС³µµÄÀ­Á¦£©

£¨3£©Ä³Ñ§Éú½«ÊµÑé×°ÖÃÈçÉÏͼ°²×°ºÃ£¬×¼±¸½ÓͨµçÔ´ºó¿ªÊ¼×öʵÑ飬µ«ËûµÄ×°ÖÃͼÖÐÓÐÈý¸öÃ÷ÏԵĴíÎó£º
´òµã¼ÆʱÆ÷ʹÓÃÖ±Á÷µçÔ´
´òµã¼ÆʱÆ÷ʹÓÃÖ±Á÷µçÔ´
£»
С³µÓë´òµã¼ÆʱÆ÷¼äµÄ¾àÀëÌ«³¤
С³µÓë´òµã¼ÆʱÆ÷¼äµÄ¾àÀëÌ«³¤
£»
ľ°åˮƽ£¬Ã»ÓÐƽºâĦ²ÁÁ¦
ľ°åˮƽ£¬Ã»ÓÐƽºâĦ²ÁÁ¦
£®
·ÖÎö£ºÔÚ¡°Ñé֤ţ¶ÙµÚ¶þ¶¨ÂɵÄʵÑ顱ÖÐҪעÒâƽºâĦ²ÁÁ¦£»
ͬʱҪעÒâ¸ù¾ÝʵÑéµÄÔ­ÀíºÍʵÑé·½·¨·ÖÎöʵÑéÖеÄ×¢ÒâÊÂÏʵÑé½áÂÛ£®
½â´ð£º½â£º£¨1£©A¡¢±¾ÊµÑéÖвÉÓÃÉ°Í°´ø¶¯Ð¡³µµÄÔ˶¯£¬ÔÚÊý¾ÝµÄ´¦ÀíÖУ¬ÀûÓÃÉ°Í°µÄÖØÁ¦ÌṩС³µµÄÀ­Á¦£»ÒòÍ°±¾ÉíÓмÓËٶȣ¬¹ÊÓ¦¼õСͰµÄ±¾ÉíºÏÁ¦£¬¹ÊӦʹͰµÄÖÊÁ¿Ô¶Ð¡ÓÚ³µµÄÖÊÁ¿£¬¹ÊAÕýÈ·£»
B¡¢ÒòÍ°µÄÖØÁ¦²¢²»µÈÓÚС³µÊܵ½µÄºÏÁ¦£¬¹Ê²»ÄܲÉÓÃÕâÖÖ·½·¨£¬¹ÊB´íÎó£»
C¡¢ÔÚʵÑéÖÐÀûÓÃÃèµã·¨²â³öaÓëFµÄ¹Øϵ£¬¿ÉÒÔ¼õСÎó²î£¬¹ÊCÕýÈ·£»
D¡¢ÎªÁ˽«Í¼Ïó»­³ÉÎÒÃÇÊìϤµÄÖ±Ïߣ¬¸üÖ±¹Û·´Ó³Á½¸ö±äÁ¿µÄ¹Øϵ£®aÓëM³É·´±È£¬¹Ê¿ÉÒÔ»­³öa-
1
M
ͼÏ󣬹ÊDÕýÈ·£»
¹ÊÑ¡ACD£»
£¨2£©°Ñ³¤Ä¾°åµÄ¶ËµæµÃ¹ý¸ß£¬Ê¹µÃÇã½ÇÆ«´ó£¬Æ½ºâĦ²ÁÁ¦¹ý´ó£¬ÔòС³µ»¹½«Êܵ½ÖØÁ¦µÄ·ÖÁ¦×÷Ó㬼´Ð¡³µ²»ÊÜÀ­Á¦Ê±£¬¾Í»á²úÉú¼ÓËٶȣ¬
¹ÊÑ¡C£»
£¨3£©ÓÉʵÑéÔ­Àíͼ¿ÉÖª£¬
´òµã¼ÆʱÆ÷ÓõıØÐëÊǽ»Á÷µç£¬Í¼ÖÐÓõÄÊÇÖ±Á÷µç£¬ËùÒÔ²ÉÓõĵçÔ´²»¶Ô£¬
С³µÊͷŵÄλÖÃÓ¦¸Ã¿¿½ü¼ÆʱÆ÷£¬ÒÔ±ã²âÁ¿¸ü¶àµÄÊý¾ÝÀ´¼õСÎó²î£®
ͬʱľ°åˮƽ£¬Ã»ÓÐƽºâĦ²ÁÁ¦£®
¹Ê´íÎóµÄΪ£º¢Ù´òµã¼ÆʱÆ÷½ÓµÄÊÇÖ±Á÷µçÔ´£®¢ÚС³µÊͷŵÄλÖÃÔ¶Àë¼ÆʱÆ÷¢Ûľ°åˮƽ£¬Ã»ÓÐƽºâĦ²ÁÁ¦
¹Ê´ð°¸Îª£º£¨1£©ACD
£¨2£©C        
£¨3£©´òµã¼ÆʱÆ÷ʹÓÃÖ±Á÷µçÔ´£»
 Ð¡³µÓë´òµã¼ÆʱÆ÷¼äµÄ¾àÀëÌ«³¤£»
  Ä¾°åˮƽ£¬Ã»ÓÐƽºâĦ²ÁÁ¦£®
µãÆÀ£º½â¾öʵÑéÎÊÌâÊ×ÏÈÒªÕÆÎÕ¸ÃʵÑéÔ­Àí£¬Á˽âʵÑéµÄÒÇÆ÷¡¢²Ù×÷²½ÖèºÍÊý¾Ý´¦ÀíÒÔ¼°×¢ÒâÊÂÏ
¶ÔÓڿα¾Öлù´¡Á¦Ñ§ÊµÑ飬Ҫµ½ÊµÑéÊÒ½øÐÐʵ¼Ê²Ù×÷£¬ÕâÑù²ÅÄÜÃ÷ȷʵÑé²½ÖèºÍ¾ßÌåµÄ²Ù×÷µÄº¬Ò壮
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ʵÑéÌî¿ÕÌâ

£¨1£©ÔÚ×ö¡°Ñé֤ţ¶ÙµÚ¶þ¶¨ÂÉ¡±µÄʵÑéʱ£¨×°ÖÃÈçͼ1Ëùʾ£©ÏÂÁÐ˵·¨ÖÐÕýÈ·µÄÊÇ
BD
BD

A£®Æ½ºâÔ˶¯ÏµÍ³µÄĦ²ÁÁ¦Ê±£¬Ó¦°Ñ×°É°µÄСͰͨ¹ý¶¨»¬ÂÖË©ÔÚС³µÉÏ
B£®Á¬½ÓÉ°Í°ºÍС³µµÄÇáÉþÓ¦ºÍ³¤Ä¾°å±£³ÖƽÐÐ
C£®µ±¸Ä±äС³µ»òÉ°Í°ÖÊÁ¿Ê±Ó¦ÔÙ´ÎƽºâĦ²ÁÁ¦
D£®Ð¡³µÓ¦¿¿½ü´òµã¼ÆʱÆ÷£¬ÇÒÓ¦ÏȽÓͨµçÔ´ÔÙÊÍ·ÅС³µ
£¨2£©ÓÃͼ2ËùʾµÄµç·£¬²â¶¨Ò»½Ú¸Éµç³ØµÄµç¶¯ÊƺÍÄÚ×裮µç³ØµÄÄÚ×è½ÏС£¬ÎªÁË·ÀÖ¹ÔÚµ÷½Ú»¬¶¯±ä×èÆ÷ʱÔì³É¶Ì·£¬µç·ÖÐÓÃÒ»¸ö¶¨Öµµç×èR0Æð±£»¤×÷Ó㮳ýµç³Ø¡¢¿ª¹ØºÍµ¼ÏßÍ⣬¿É¹©Ê¹ÓõÄʵÑéÆ÷²Ä»¹ÓУº
£¨a£© µçÁ÷±í£¨Á¿³Ì0.6A¡¢3A£©£»             
£¨b£© µçѹ±í£¨Á¿³Ì3V¡¢15V£©
£¨c£© ¶¨Öµµç×裨×èÖµ1¦¸¡¢¶î¶¨¹¦ÂÊ5W£©    
£¨d£© ¶¨Öµµç×裨×èÖµ100¦¸£¬¶î¶¨¹¦ÂÊ200W£©
£¨e£© »¬¶¯±ä×èÆ÷£¨ÒõÖµ·¶Î§0--10¦¸¡¢¶î¶¨µçÁ÷2A£©
£¨f£© »¬¶¯±ä×èÆ÷£¨×èÖµ·¶Î§0--100¦¸¡¢¶î¶¨µçÁ÷1A£©
ÄÇô
¢ÙÒªÕýÈ·Íê³ÉʵÑ飬µçѹ±íµÄÁ¿³ÌӦѡÔñ
3
3
V£¬µçÁ÷±íµÄÁ¿³ÌӦѡÔñ
0.6
0.6
A£» R0ӦѡÔñ
1
1
¦¸µÄ¶¨Öµµç×裬RӦѡÔñ×èÖµ·¶Î§ÊÇ
0-10
0-10
¦¸µÄ»¬¶¯±ä×èÆ÷£®
¢ÚÎó²î·ÖÎö£ºµç¶¯ÊƵIJâÁ¿ÖµE²â
£¼
£¼
ÕæʵֵEÕ棻ÄÚ×èµÄ²âÁ¿Öµr²â
£¼
£¼
ÕæʵֵrÕ棨ѡÌ¡¢£¼»ò=£©
¢Û¸ù¾ÝʵÑé¼Ç¼µÄÊý¾Ý»­³öµÄU-IͼÏßÈçͼ3Ëùʾ£¬´ÓͼÏ߿ɵóö¸Éµç³ØµÄµç¶¯ÊÆΪ
1.5
1.5
V£¬´ý²â¸Éµç³ØµÄÄÚµç×èΪ
1.0
1.0
¦¸£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

£¨1£©Ä³Í¬Ñ§×ö¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±µÄʵÑ飬Ö÷Òª²½ÖèÈçÏ£º
A£®ÔÚ×ÀÃæÉÏ·ÅÒ»¿é·½Ä¾°å£¬ÔÚ·½Ä¾°åÉÏÆÌÒ»ÕÅ°×Ö½£¬ÓÃͼ¶¤°Ñ°×Ö½¶¤ÔÚ·½Ä¾°åÉÏ£»
B£®ÓÃͼ¶¤°ÑÏðƤÌõµÄÒ»¶Ë¹Ì¶¨ÔÚ°åÉϵÄAµã£¬ÔÚÏðƤÌõµÄÁíÒ»¶ËË©ÉÏÁ½ÌõϸÉþ£¬Ï¸ÉþµÄÁíÒ»¶Ëϵ×ÅÉþÌ×£»
C£®½«Á½Ö»µ¯»É²âÁ¦¼Æͨ¹ýϸÉþ»¥³É½Ç¶ÈµØÀ­ÏðƤÌõ£¬Ê¹ÉþÓëÏðƤÌõµÄ½áµã´ïµ½Ä³Ò»Î»ÖÃO£¬¼ÇÏÂOµãµÄλÖ㬶Á³öÁ½¸öµ¯»É²âÁ¦¼ÆµÄʾÊý£»
D£®°´Ñ¡ºÃµÄ±ê¶È£¬ÓÃǦ±ÊºÍ¿Ì¶È³ß×÷³öÁ½¸öµ¯»É²âÁ¦¼ÆµÄÀ­Á¦F1ºÍF2µÄͼʾ£¬²¢ÓÃƽÐÐËıßÐζ¨Ôò×÷³öºÏÁ¦F¡ä£»
E¡¢ÓÃÒ»¸öµ¯»É²âÁ¦¼Æ£¬Í¨¹ýϸÉþÌ×À­ÏðƤÌõʹÆäÉ쳤£¬¶Á³öµ¯»É²âÁ¦¼ÆµÄʾÊý£¬¼ÇÏÂϸÉþµÄ·½Ïò£¬°´Í¬Ò»±ê¶È×÷³öÕâ¸öÁ¦FµÄͼʾ£»
F£®±È½ÏÁ¦F¡äÓëFµÄ´óСºÍ·½Ïò£®
ÉÏÊö²½ÖèÖУº
¢ÙÓÐÖØÒªÒÅ©ÄÚÈݵIJ½ÖèÐòºÅÖÐ
C
C
ºÍ
E
E
£»ÒÅ©ÄÚÈÝ·Ö±ðÊÇ
¼ÇÏÂÁ½ÌõϸÉþµÄ·½Ïò
¼ÇÏÂÁ½ÌõϸÉþµÄ·½Ïò
ºÍ
ʹÏðƤÌõÉ쳤µ½Oµã£®
ʹÏðƤÌõÉ쳤µ½Oµã£®

¢ÚÈôËû½«ÒÅ©ÄÚÈݲ¹ÉϺó£¬Èçͼ£¨a£©Ëùʾ£¬ÊÇËûÀûÓÃ×ø±êÖ½¼ÇϵÄÏðƤ½î½áµãλÖÃOµã¼°Á½µ¯»É²âÁ¦¼ÆÀ­Á¦µÄ´óС£¬ÊÔÔÚͼ£¨a£©ÖÐ×÷³öÎÞʵÑéÎó²îÇé¿öÏÂF1ºÍF2µÄºÏÁ¦Í¼Ê¾£¬²¢ÓÃF¡ä±íʾ´ËÁ¦£®
¢Ûͼ£¨b£©ÊǼ׺ÍÒÒÁ½Î»Í¬Ñ§·Ö±ð×öÒÔÉÏʵÑéʱµÃµ½µÄ½á¹û£¬ÆäÖÐÄÄÒ»¸ö±È½Ï·ûºÏʵÑéÊÂʵ£¿£¨Á¦FÊÇÖ»ÓÃÒ»Ö»µ¯»É²âÁ¦¼ÆÀ­Ê±µÄͼʾ£©
A
A
£¨ÌîA»òB£©£®

£¨2£©¢ÙijͬѧÓÃÈçͼËùʾװÖÃ×ö¡°Ñé֤ţ¶ÙµÚ¶þ¶¨ÂÉ¡±µÄʵÑ飬ÈôËûÔÚͼʾ״̬Ï¿ªÊ¼×öʵÑ飬ÇëÖ¸³öͼÖеÄÖ÷Òª´íÎóÊÇ£¨ÖÁÉÙдÁ½Ï£º
Ó¦½«µç³Ø¸ÄΪ½»Á÷µç
Ó¦½«µç³Ø¸ÄΪ½»Á÷µç
¡¢
ûÓÐƽºâĦ²ÁÁ¦
ûÓÐƽºâĦ²ÁÁ¦
£®
¢Ú¸ÃͬѧҪ̽¾¿Ð¡³µµÄ¼ÓËÙ¶ÈaºÍÖÊÁ¿MµÄ¹Øϵ£¬Ó¦¸Ã±£³Ö
À­Á¦F
À­Á¦F
£»Èô¸ÃͬѧҪ̽¾¿¼ÓËÙ¶ÈaºÍÀ­Á¦F¹Øϵ£¬Ó¦¸Ã±£³Ö
ÖÊÁ¿M
ÖÊÁ¿M
²»±ä£»
¢ÛËûÔÚʵÑéÖеõ½ÈçÏÂͼËùʾֽ´ø£¬Ö½´øÉϵļÆÊýµãÓÃA¡¢B¡¢C¡¢D¡¢E±íʾ£®¸ù¾ÝͼÉÏÊý¾Ý£¬Ð¡³µ¾­¹ýBµãʱµÄËÙ¶ÈÊÇ
6.0¡Á10-2
6.0¡Á10-2
m/s£®£¨ÏàÁÚ¼ÆÊýµã¼äµÄʱ¼ä¼ä¸ôΪ0.1s£©£¨¼ÆËã½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

£¨1£©ÔÚÑé֤ţ¶ÙµÚ¶þ¶¨ÂɵÄʵÑéÖУ¬ÓøıäÉ°µÄÖÊÁ¿µÄ°ì·¨À´¸Ä±ä¶ÔС³µµÄ×÷ÓÃÁ¦F£¬Óôòµã¼ÆʱÆ÷²â³öС³µµÄ¼ÓËÙ¶Èa£¬µÃ³öÈô¸É×éFºÍaµÄÊý¾Ý£®È»ºó¸ù¾Ý²âµÃµÄÊý¾Ý×÷³öÈçͼ1ËùʾµÄa-FͼÏߣ¬·¢ÏÖͼÏ߼Ȳ»¹ýÔ­µã£¬ÓÖ²»ÊÇÖ±Ïߣ¬Ô­ÒòÊÇ
C
C

A£®Ã»ÓÐƽºâĦ²ÁÁ¦£¬ÇÒС³µÖÊÁ¿½Ï´ó
B£®Æ½ºâĦ²ÁÁ¦Ê±£¬Ëùµæľ°åÌ«¸ß£¬ÇÒÉ°ºÍСͰµÄÖÊÁ¿½Ï´ó
C£®Æ½ºâĦ²ÁÁ¦Ê±£¬Ëùµæľ°åÌ«µÍ£¬ÇÒÉ°ºÍСͰµÄÖÊÁ¿½Ï´ó
D£®Æ½ºâĦ²ÁÁ¦Ê±£¬Ëùµæľ°åÌ«¸ß£¬ÇÒС³µÖÊÁ¿½Ï
£¨2£©ÔÚ¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±ÊµÑéÖУ¬½«ÏðƤ½îµÄÒ»¶Ë¹Ì¶¨ÔÚÊúÖ±·ÅÖõÄľ°åÉÏ£¬ÁíÒ»¶ËϵÉÏÁ½¸ùϸÉþOA¡¢OB£¬OΪÁ½Ï¸ÉþÓëÏðƤ½îµÄ½áµã£¬Ï¸ÉþOA¿ç¹ý¶¤ÔÚľ°åÉϵĹ⻬µÄ¶¤×ÓC£¬Ï¶˹ÒÖØÁ¦ÒÑÖªµÄ¹³Â룬ϸÉþOBÓÃÒ»¸öµ¯»É³Ó¹³×¡£¬Èçͼ2Ëùʾ£¬¿ÉÒÔͨ¹ý¸Ä±ä¹³ÂëµÄ¸öÊýºÍµ¯»É³ÓµÄÀ­Á¦µ÷ÕûÏðƤ½îÓëÁ½Ï¸ÉþµÄ½áµãOµÄλÖã®Í¼ÖÐOCÓëÏðƤ½îÑÓ³¤ÏߵļнÇΪ¦Á£¬Ï¸ÉþOBÓëÏðƤ½îÑÓ³¤ÏߵļнÇΪ¦Â£¬ÇÒ¦Á+¦Â£¾90¡ã£¬ÏÂÁвÙ×÷ÕýÈ·µÄÊÇ
BD
BD

A¡¢Ôö¼Ó¹³Âë¸öÊýºó£¬ÎªÊ¹½áµãλÖò»±ä£¬Ó¦¼õС¦Â£¬Í¬Ê±¼õСµ¯»É³ÓµÄÀ­Á¦
B¡¢Ôö¼Ó¹³Âë¸öÊýºó£¬ÎªÊ¹½áµãλÖò»±ä£¬Ó¦Ôö´ó¦Â£¬Í¬Ê±Ôö´óµ¯»É³ÓµÄÀ­Á¦
C¡¢±£³Ö¹³Âë¸öÊý²»±ä£¬½«¶¤×ÓÏò×óÒƶ¯Ò»Ð©£¬ÎªÊ¹½áµãλÖò»±ä£¬Ó¦Ôö´ó¦Â£¬Í¬Ê±Ôö´óµ¯»É³ÓµÄÀ­Á¦
D¡¢±£³Ö¹³Âë¸öÊý²»±ä£¬½«¶¤×ÓÏò×óÒƶ¯Ò»Ð©£¬ÎªÊ¹½áµãλÖò»±ä£¬Ó¦¼õС¦Â£¬Í¬Ê±Ôö´óµ¯»É³ÓµÄÀ­Á¦£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

£¨1£©¢ÙÔÚ¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±ÊµÑéÖÐÐèÒª½«ÏðƤÌõµÄÒ»¶Ë¹Ì¶¨ÔÚˮƽľ°åÉÏÁíÒ»¶ËϵÉÏÁ½¸ùϸÉþ£¬Ï¸ÉþµÄÁíÒ»¶Ë¶¼ÓÐÉþÌ×£¨Èçͼ1Ëùʾ£©ÊµÑéÖÐÐèÓÃÁ½¸öµ¯»É³Ó·Ö±ð¹´×¡ÉþÌ×£¬²¢»¥³É½Ç¶ÈµØÀ­ÏðƤÌõ£¬ÒÔϼ¸ÏîÖбØÐë×¢ÒâµÄÊÇ
C
C

A£®Á½¸ùϸÉþ±ØÐëµÈ³¤
B£®ÏðƤÌõÓ¦ÓëÁ½Éþ¼Ð½ÇµÄƽ·ÖÏßÔÚͬһֱÏßÉÏ
C£®ÔÚʹÓõ¯»É³ÓʱҪעÒâʹµ¯»É³ÓÓëľ°åƽÃæƽÐÐ
¢ÚijͬѧÔÚ×öÑо¿µ¯»ÉµÄÐαäÓëÍâÁ¦µÄ¹ØϵʵÑéʱ£¬½«Ò»Çᵯ»ÉÊúÖ±Ðü¹ÒÈÃÆä×ÔȻϴ¹£¬È»ºóÔÚÆäϲ¿Ê©¼ÓÍâÁ¦F£¬²â³öµ¯»ÉµÄ×ܳ¤¶ÈX£¬¸Ä±äÍâÁ¦FµÄ´óС£¬²â³ö¼¸×éÊý¾Ý£¬×÷³öÍâÁ¦FÓ뵯»É×ܳ¤¶ÈXµÄ¹ØϵͼÏßÈçͼ2Ëùʾ£®£¨ÊµÑé¹ý³ÌÊÇÔÚµ¯»ÉµÄµ¯ÐÔÏÞ¶ÈÄÚ½øÐеģ©ÓÉͼ¿ÉÖª¸Ã¸Ãµ¯»ÉµÄ¾¢¶ÈϵÊýΪ
20
20
N/m
£¨2£©ÔÚ×öÑé֤ţ¶ÙµÚ¶þ¶¨ÂɵÄʵÑéʱ£¬»Ø´ðÏÂÁÐÎÊÌ⣺
£¨ÈçÓмÆË㣬½á¹û±£Áô¶þλÓÐЧÊý×Ö£©
¢Ù´òµã¼ÆʱÆ÷Ó¦½Ó
½»Á÷
½»Á÷
£¨Ìî½»Á÷»òÖ±Á÷£©µçÔ´£®
¢ÚÊÔÑéÖУ¬£¨Èç¼×ͼ£©ÎªÁËʹϸÏ߶ÔС³µµÄÀ­Á¦µÈÓÚС³µËùÊܵĺÏÍâÁ¦£¬Ïȵ÷½Ú³¤Ä¾°åÒ»»¬Âֵĸ߶ȣ¬Ê¹Ï¸ÏßÓ볤ľ°åƽÐУ¬½ÓÏÂÀ´½«³¤Ä¾°åµÄÒ»¶ËµæÆðÊʵ±µÄ¸ß¶È£¬ÈÃС³µÒ»Í·Á¬×ÅÖ½´øһͷÁ¬×ÅɳͰ£¬¸ø´òµã¼ÆʱÆ÷ͨµç£¬ÇáÍÆÒ»ÏÂС³µ£¬´Ó´ò³öµÄÖ½´øÅжÏС³µÊÇ·ñ×öÔÈËÙÔ˶¯£®ÇëÖ¸³ö´Ë²½ÖèµÄ´í©
Ó¦¸Ã³·È¥É³Í°
Ó¦¸Ã³·È¥É³Í°
£»
¢ÛÈçͼÒÒËùʾΪij´ÎʵÑéµÃµ½µÄÖ½´ø£¬Ö½´øÖÐÏàÁÚ¼ÆÊýµã¼äµÄ¾àÀëÒѱê³ö£¬ÏàÁÚ¼ÆÊýµã¼ä»¹ÓÐËĸöµãûÓл­³ö£®ÓÉ´Ë¿ÉÇóµÃС³µµÄ¼ÓËٶȴóС
0.50
0.50
m/S2£®
¢ÜÔÚÑéÖ¤µ±Ð¡³µµÄÖÊÁ¿Ò»¶¨Æä¼ÓËÙ¶ÈÓëºÏÍâÁ¦FµÄ¹Øϵʱ£¬¸ù¾ÝʵÑéÊý¾Ý×÷³öÁËÈçͼ±ûËùʾµÄa-FͼÏó£¬ÔòС³µºÍÕèÂëµÄ×ÜÖÊÁ¿MΪ
1.0kg
1.0kg
£¬ÆäͼÏó²»¹ýÔ­µãµÄÔ­ÒòÊÇ
ƽºâĦ²ÁÁ¦Ê±Ð±ÃæµÄÇã½Ç̫С»òÕßƽºâĦ²ÁÁ¦²»¹»£»
ƽºâĦ²ÁÁ¦Ê±Ð±ÃæµÄÇã½Ç̫С»òÕßƽºâĦ²ÁÁ¦²»¹»£»
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨1£©¡°ÑéÖ¤Á¦µÄƽÐÐËıßÐζ¨Ôò¡±µÄʵÑéÇé¿öÈçͼ1¼×£¬ÆäÖÐAΪ¹Ì¶¨ÏðƤ½îµÄͼ¶¤£¬OΪÏðƤ½îÓëϸÉþµÄ½áµã£¬OBºÍOCΪϸÉþ£®Í¼1ÒÒÊÇÔÚ°×Ö½Éϸù¾ÝʵÑé½á¹û»­³öµÄͼ£®
ͼ1ÒÒÖеÄFÓëF¡äÁ½Á¦ÖУ¬·½ÏòÒ»¶¨ÑØAO·½ÏòµÄÊÇ
F¡ä
F¡ä
£®
¢Ú±¾ÊµÑé²ÉÓõĿÆѧ·½·¨ÊÇ
B
B
£®
A£®ÀíÏëʵÑé·¨     B£®µÈЧÌæ´ú·¨     C£®¿ØÖƱäÁ¿·¨     D£®½¨Á¢ÎïÀíÄ£ÐÍ·¨
£¨2£©ÓÃͼ2ËùʾµÄʵÑé×°ÖÃÀ´Ñé֤ţ¶ÙµÚ¶þ¶¨ÂÉ
¢ÙΪÏû³ýĦ²ÁÁ¦µÄÓ°Ï죬ʵÑéǰƽºâĦ²ÁÁ¦µÄ¾ßÌå²Ù×÷Ϊ£ºÈ¡ÏÂ
É°Í°
É°Í°
£¬°Ñľ°å²»´ø»¬ÂÖµÄÒ»¶ËÊʵ±µæ¸ß²¢·´¸´µ÷½Ú£¬Ö±µ½ÇáÍÆС³µºó£¬Ð¡³µÄÜÑØľ°å×ö
ÔÈËÙÖ±Ïß
ÔÈËÙÖ±Ïß
Ô˶¯£®
¢Úij´ÎʵÑé²âµÃµÄÊý¾ÝÈç±íËùʾ£®¸ù¾ÝÕâЩÊý¾ÝÔÚ×ø±êͼ3ÖÐÃèµã²¢×÷³öa-
1
m
ͼÏߣ¬´Óa-
1
m
ͼÏßÇóµÃºÏÍâÁ¦´óСΪ
0.3£¨0.28¡«0.32£©
0.3£¨0.28¡«0.32£©
N £¨¼ÆËã½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©£®
1/mkg-1 a/m?8-2
4.0 1.2
3.6 1.1
2.0 0.6
1.4 0.4
1.0 0.3

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸