£¨1£©ÔÚ×ö¡°Ì½¾¿¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿¹Øϵ¡±µÄʵÑéʱ£¬ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ
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§Éú×ö£º¡°Ñé֤ţ¶ÙµÚ¶þ¶¨ÂÉ¡±µÄʵÑéÔÚƽºâĦ²ÁÁ¦Ê±£¬°Ñ³¤Ä¾°åµÄ¶ËµæµÃ¹ý¸ß£¬Ê¹µÃÇã½ÇÆ«´ó£®ËûËùµÃµ½a-F¹Øϵ¿ÉÓÃͼÖÐÄĸùͼÏß±íʾ£¿Í¼ÖÐaÊÇС³µµÄ¼ÓËٶȣ¬FÊÇϸÏß×÷ÓÃÓÚС³µµÄÀ­Á¦
£¨3£©ÔÚ×öÑé֤ţ¶ÙµÚ¶þÔ˶¯¶¨ÂɵÄʵÑéʱ£¬Ä³Ñ§Éú½«ÊµÑé×°ÖÃÈçͼ°²×°£¬×¼±¸½ÓͨµçÔ´ºó¿ªÊ¼×öʵÑ飬µ«ËûµÄ×°ÖÃͼÖÐÓÐÁ½¸öÃ÷ÏԵĴíÎó£º

£¨1£©
ʹÓÃÁËÖ±Á÷µçÔ´
ʹÓÃÁËÖ±Á÷µçÔ´
£»£¨2£©
ûÓÐƽºâĦ²ÁÁ¦
ûÓÐƽºâĦ²ÁÁ¦
£®
·ÖÎö£ºÁ˽â¸ÃʵÑéµÄʵÑéÔ­Àí£®Äܹ»ÔËÓÃÊýѧͼÏó´¦ÀíÎïÀíÊý¾Ý£¬ÕÒ³ö±äÁ¿Ö®¼äµÄ¹Øϵ£®
¸ù¾ÝÅ£¶ÙµÚ¶þ¶¨ÂÉд³ö±í´ïʽ¿É֪ͼÏóµÄÐÎ×´£¬Æ½ºâĦ²ÁÁ¦¹ý´ó£¬ËµÃ÷²»¹ÒɳºÍСͰʱ¾ÍÒѾ­²úÉú¼ÓËٶȣ¬¾Ý´Ë¿ÉÕýÈ·½â´ð£»
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¬aÓëM³É·´±È£¬¹Ê¿ÉÒÔ»­³öa-
1
M
ͼÏ󣬹ÊDÕýÈ·£»
¹ÊÑ¡ACD£»
£¨2£©Æ½ºâĦ²ÁÁ¦¹ý´ó£¬ÔòС³µ»¹½«Êܵ½ÖØÁ¦µÄ·ÖÁ¦×÷Ó㬼´Ð¡³µ²»ÊÜÀ­Á¦Ê±£¬¾Í»á²úÉú¼ÓËٶȣ¬¹ÊÑ¡C£®
¹ÊÑ¡C£®
£¨3£©ÓÉʵÑéÔ­Àíͼ¿ÉÖª£¬
´òµã¼ÆʱÆ÷ÓõıØÐëÊǽ»Á÷µç£¬Í¼ÖÐÓõÄÊÇÖ±Á÷µç£¬ËùÒÔ²ÉÓõĵçÔ´²»¶Ô£¬
ͬʱľ°åˮƽ£¬Ã»ÓÐƽºâĦ²ÁÁ¦£®
¹Ê´íÎóµÄΪ£º¢Ù´òµã¼ÆʱÆ÷½ÓµÄÊÇÖ±Á÷µçÔ´£®¢Úľ°åˮƽ£¬Ã»ÓÐƽºâĦ²ÁÁ¦
¹Ê´ð°¸Îª£º£¨1£©ACD  £¨2£©C  £¨3£©Ê¹ÓÃÁËÖ±Á÷µçÔ´¡¢Ã»ÓÐƽºâĦ²ÁÁ¦
µãÆÀ£º±¾Ì⿼²éÁË¡°Ì½¾¿¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿¹Øϵ¡±µÄʵÑéÖÐ×¢ÒâÊÂÏîÒÔ¼°ÀûÓÃͼÏó´¦ÀíÊý¾ÝµÈ»ù±¾ÖªÊ¶£¬Òª×¢Ò⶯ÊÖʵÑ飬¼ÓÇ¿¶Ô»ù´¡ÊµÑéµÄÀí½â£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÈçͼËùʾΪijʵÑéС×éÔÚ×ö¡°Ì½¾¿ºÏÍâÁ¦×ö¹¦ºÍ¶¯Äܱ仯µÄ¹Øϵ¡±ÊµÑéʱµÄ×°Öã®

£¨1£©ÊµÑéС×éÔÚ×öºÃÁ˸÷Ïî×¼±¸ºó£¬Ó¦½«Ð¡³µÍ£ÔÚ¿¿½ü
´òµã¼ÆʱÆ÷
´òµã¼ÆʱÆ÷
´¦£®ÊÍ·ÅС³µºÍ½ÓͨµçÔ´µÄ˳ÐòÓ¦ÊÇÏÈ
½ÓͨµçÔ´
½ÓͨµçÔ´
ºó
ÊÍ·ÅС³µ
ÊÍ·ÅС³µ
£®Ð¡³µÍ϶¯Ö½´ø£¬´òµã¼ÆʱÆ÷ÔÚÉÏÃæ´òÏÂһϵÁÐСµã£®»»ÉÏÐÂÖ½´øÖظ´ÊµÑ鼸´Î£¬´Ó¼¸ÌõÖ½´øÖÐÌôÑ¡µã¼£ÇåÎúµÄÖ½´ø½øÐвâÁ¿£®
£¨2£©Ä³Í¬Ñ§ÔÚÌôÑ¡µÄÖ½´øÉÏ£¬¼ÇϵÚÒ»¸öµãµÄλÖÃO£¬²¢ÔÚÖ½´øÉÏ´ÓÈÎÒâµã¿ªÊ¼ÒÀ´ÎÑ¡È¡¼¸¸öµã1¡¢2¡¢3¡¢4¡­£®ÊµÑéÖгýÁ˶ԾàÀë½øÐвâÁ¿Í⣬»¹ÐèÒªÖªµÀС³µÔÚij¼¸¸öʱ¿ÌµÄ˲ʱËٶȣ®Èô¸ù¾ÝÖ½´ø¿ÉÖªµã1ºÍµã2µÄʱ¼ä¼ä¸ôÓëµã2ºÍµã3µÄʱ¼ä¼ä¸ô¾ùΪT£¬µã1Óëµã2¼äµÄ¾àÀëΪx1£¬µã2Óëµã3µÄ¾àÀëΪx2£¬ÓÉÓÚС³µµÄÔ˶¯¿ÉÒÔ¿´×÷ÊÇÔȼÓËÙÖ±ÏßÔ˶¯£¬ËùÒÔÔÚ´òµã2ʱС³µµÄ˲ʱËÙ¶ÈΪ
x1+x2
2T
x1+x2
2T
£®
£¨3£©ÁíһλͬѧÈÏΪ¿ÉÒÔÔÚÌôÑ¡³öµÄÖ½´øÉÏ£¬²»¼ÇϵÚÒ»¸öµãµÄλÖÃO£¬Í¬Ñù¿ÉÒÔÍê³É±¾ÊµÑ飮
ÄãÈÏΪÕâλͬѧµÄÏë·¨ÊÇ·ñ¿ÉÐУ®
¿ÉÐÐ
¿ÉÐÐ
£®£¨Ìî¡°¿ÉÐС±»ò¡°²»¿ÉÐС±£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

µç´Å´òµã¼ÆʱÆ÷ͨ³£µÄ¹¤×÷µçѹΪ
6VÒÔÏÂ
6VÒÔÏÂ
£¬µç»ð»¨´òµã¼ÆʱÆ÷ͨ³£µÄ¹¤×÷µçѹΪ
220V
220V
£®ÎÒÃÇÈÕ³£Éú»îËùÓõĽ»Á÷µçƵÂÊÊÇ50Hz£¬Èç¹ûÓÃËü×öµçÔ´£¬´òµã¼ÆʱÆ÷ÿ¸ô
0.02
0.02
s´òÒ»¸öµã£®Ä³Í¬Ñ§ÔÚ×ö¡°Ì½¾¿Ð¡³µËÙ¶ÈËæʱ¼ä±ä»¯µÄ¹æÂÉ¡±ÊµÑéʱ£¬µÃµ½ÁËÈçͼ3ËùʾµÄÒ»Ìõ½ÏΪÀíÏëµÄÖ½´ø£¬A¡¢B¡¢C¡¢D¡¢E¡¢FΪÔÚÖ½´øÉÏÒÀ´ÎËùÑ¡µÄ¼ÇÊýµã£¬ÏàÁÚ¼ÇÊýµã¼äÓÐËĸöµãδ»­³ö£¬²âµÃAB=1.20cm£¬AC=3.20cm£¬AD=6.00cm£¬AE=9.60cm£¬AF=14.00cm£¬ÔòÒÔÉÏÓÉÊý¾Ý¿É֪С³µ×ö
ÔȼÓËÙÖ±Ïß
ÔȼÓËÙÖ±Ïß
Ô˶¯£¬Ô˶¯µÄ¼ÓËÙ¶Èa=
0.80
0.80
m/s2£¬´òµã¼ÆʱÆ÷´òÏÂDµãʱС³µµÄ˲ʱËÙ¶ÈΪ
0.32
0.32
 m/s£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÔÚ¡¶Ì½¾¿¹¦ÓëÎïÌåËٶȱ仯¹Øϵ¡·µÄʵÑéÖУ¬
£¨1£©ÔÚÓÃÈçͼ£¨1£©×°ÖÃ×ö¡°Ì½¾¿¹¦ÓëËٶȹØϵ¡±µÄʵÑéʱ£¬ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ
A
A
£®
A£®Í¨¹ý¸Ä±äÏðƤ½îµÄÌõÊýÀ´¸Ä±äÀ­Á¦×ö¹¦µÄÊýÖµ
B£®Í¨¹ý¸Ä±äÏðƤ½îµÄ³¤¶ÈÀ´¸Ä±äÀ­Á¦×ö¹¦µÄÊýÖµ
C£®ÊµÑé¹ý³ÌÖÐľ°åÐëˮƽ·ÅÖÃ
D£®Í¨¹ý´òµã¼ÆʱÆ÷´òϵÄÖ½´øÀ´²â¶¨Ð¡³µ¼ÓËÙ¹ý³ÌÖлñµÃµÄƽ¾ùËÙ¶È
£¨2£©¼×¡¢ÒÒÁ½Î»Í¬Ñ§µÄʵÑé²Ù×÷¾ùÕýÈ·£®¼×ͬѧ¸ù¾ÝʵÑéÊý¾Ý×÷³öÁ˹¦ºÍËٶȵĹØϵͼÏߣ¬¼´W-vͼ£¬Èçͼ£¨2£©¼×£¬²¢ÓÉ´ËͼÏߵóö¡°¹¦ÓëËٶȵÄƽ·½Ò»¶¨³ÉÕý±È¡±µÄ½áÂÛ£®ÒÒͬѧ¸ù¾ÝʵÑéÊý¾Ý×÷³öÁ˹¦ÓëËÙ¶Èƽ·½µÄ¹ØϵͼÏߣ¬¼´W-v2ͼ£¬Èçͼ£¨2£©ÒÒ£¬²¢ÓÉ´ËÒ²µÃ³ö¡°¹¦ÓëËٶȵÄƽ·½Ò»¶¨³ÉÕý±È¡±µÄ½áÂÛ£®¹ØÓڼס¢ÒÒÁ½Î»Í¬Ñ§µÄ·ÖÎö£¬ÄãµÄÆÀ¼ÛÊÇ
A
A
£®
A£®¼×µÄ·ÖÎö²»ÕýÈ·£¬ÒҵķÖÎöÕýÈ·
B£®¼×µÄ·ÖÎöÕýÈ·£¬ÒҵķÖÎö²»ÕýÈ·
C£®¼×ºÍÒҵķÖÎö¶¼ÕýÈ·
D£®¼×ºÍÒҵķÖÎö¶¼²»ÕýÈ·

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨1£©Ä³Í¬Ñ§ÔÚ×ö̽¾¿µ¯Á¦ºÍµ¯»ÉÉ쳤µÄ¹ØϵµÄʵÑéÖУ¬Éè¼ÆÁËÈçͼËùʾµÄʵÑé×°Öã®ËùÓõĹ³ÂëÿֻµÄÖÊÁ¿¶¼ÊÇ30g£¬ËûÏȲâ³ö²»¹Ò¹³Âëʱµ¯»ÉµÄ×ÔÈ»³¤¶È£¬ÔÙ½«5¸ö¹³ÂëÖð¸ö¹ÒÔÚµ¯»ÉµÄ϶ˣ¬Ã¿´Î¶¼²â³öÏàÓ¦µÄµ¯»É×ܳ¤¶È£¬½«Êý¾ÝÌîÔÚÁËÏÂÃæµÄ±íÖУ®£¨µ¯Á¦Ê¼ÖÕ䳬¹ýµ¯ÐÔÏ޶ȣ¬È¡g=10m/s2£©
¢ÙÊÔ¸ù¾ÝÕâЩʵÑéÊý¾ÝÔÚÓÒͼ¸ø¶¨µÄ×ø±êÖ½ÉÏ×÷³öíÀÂëÖÊÁ¿MÓ뵯»É×ܳ¤LÖ®¼äµÄº¯Êý¹ØϵͼÏߣ®
íÀÂëÖÊÁ¿M£¨g£© 0 30 60 90 120 150
µ¯»É×ܳ¤X£¨cm£© 6.00 7.15 8.34 9.48 10.64 11.79
¢ÚÉÏÒ»ÎÊËùµÃͼÏßµÄÎïÀíÒâÒåÊÇ
 

¢Û¸Ãµ¯»ÉµÄ¾¢¶ÈkΪ
 
N/m
¾«Ó¢¼Ò½ÌÍø
£¨2£©Ä³Í¬Ñ§ÀûÓÃÒ»¼Ü¹Ì¶¨ºÃµÄ×Ô¶¯Ïà»ú£¬ÓÃͬһÕŵ×Ƭ¶à´ÎÆعâµÄ·½·¨£¬ÅÄÏÂÁËÒ»Á¾Ð¡½Î³µÆô¶¯ºó²»¾Ã×öÔȼÓËÙÖ±ÏßÔ˶¯µÄÕÕƬ£®ÏàÁÚÁ½´ÎÆعâµÄʱ¼ä¼ä¸ôΪ2.0s£®ÒÑ֪С½Î³µµÄ³µ³¤Îª4.5m£®ËûÓÿ̶ȳ߲âÁ¿ÕÕƬÉϵij¤¶È¹Øϵ£¬½á¹ûÈçͼËùʾ£®ÇëÄã¹ÀËãÕâÁ¾Ð¡½Î³µµÄ¼ÓËÙ¶Èa=
 
m/s2
¾«Ó¢¼Ò½ÌÍø

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÔÚ×ö¡°Ì½¾¿¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿¹Øϵ¡±µÄʵÑéʱ£¬²ÉÓÃÈçͼËùʾµÄʵÑé×°Öã¬ÈÃÖØÎïͨ¹ýÇáÉþÍ϶¯Ð¡³µÔÚ³¤Ä¾°åÉÏ×öÔȼÓËÙÖ±ÏßÔ˶¯£®ÆäÖÐС³µÖÊÁ¿ÓÃM±íʾ£¬ÖØÎïÖÊÁ¿ÓÃm±íʾ£¬¼ÓËÙ¶ÈÓÃa±íʾ£®
£¨1£©ÊµÑéʱÐèÒª½«³¤Ä¾°åµÄÒ»¶ËµæÆðÊʵ±µÄ¸ß¶È£¬ÕâÑù×öÊÇΪÁËÏû³ý
ľ°å¶ÔС³µµÄĦ²ÁÁ¦
ľ°å¶ÔС³µµÄĦ²ÁÁ¦
µÄÓ°Ï죬ʹС³µËùÊܺÏÍâÁ¦FµÈÓÚÉþ¶ÔС³µµÄÀ­Á¦£®
£¨2£©ÊµÑéÖÐÓÉÓÚÉþ¶ÔС³µµÄÀ­Á¦
СÓÚ
СÓÚ
£¨Ñ¡Ìî¡°´óÓÚ¡±¡¢¡°µÈÓÚ¡±¡¢¡°Ð¡ÓÚ¡±£©ÖØÎïËùÊܵÄÖØÁ¦£¬»á¸øʵÑé´øÀ´ÏµÍ³Îó²î£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸