ÔÚ¡¶Ì½¾¿¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿µÄ¹Øϵ¡·ÊµÑéÖÐ

£¨1£©Ä³Ð¡×éͬѧÓÃÈçÌâ14£¨1£©Í¼ËùʾװÖ㬲ÉÓÿØÖƱäÁ¿·½·¨£¬À´Ñо¿ÔÚС³µÖÊÁ¿²»±äµÄÇé¿öÏ£¬Ð¡³µ¼ÓËÙ¶ÈÓëС³µÊÜÁ¦µÄ¹Øϵ¡£ÏÂÁдëÊ©ÖÐÕýÈ·µÄÊÇ£¨       £©

A.ƽºâĦ²ÁÁ¦µÄ·½·¨¾ÍÊǽ«Ä¾°åÒ»¶Ëµæ¸ß£¬ÔÚËÜÁÏСͰÖÐÌí¼ÓíÀÂ룬ʹС³µÔÚÉþµÄÀ­Á¦×÷ÓÃÏÂÄÜÔÈËÙ»¬¶¯

B.ÿ´Î¸Ä±äС³µËùÊܵÄÀ­Á¦Ê±£¬²»ÐèÒªÖØÐÂƽºâĦ²ÁÁ¦

C.ʵÑéÖÐÓ¦ÏÈ·ÅС³µ£¬È»ºóÔÙ¿ª´òµã¼ÆʱÆ÷µÄµçÔ´

D.ÔÚÿ´ÎʵÑéÖУ¬Ó¦Ê¹Ð¡³µºÍíÀÂëµÄÖÊÁ¿Ô¶´óÓÚÉ°ºÍСͰµÄ×ÜÖÊÁ¿

£¨2£©ÈçͼËùʾÊÇijһ´Î´òµã¼ÆʱÆ÷´ò³öµÄÒ»Ìõ¼Ç¼С³µÔ˶¯µÄÖ½´ø£®È¡¼ÆÊýµãA¡¢B¡¢C¡¢D¡¢E¡¢F¡¢G£®Ö½´øÉÏÁ½ÏàÁÚ¼ÆÊýµãµÄʱ¼ä¼ä¸ôΪT = 0.10s£¬Óÿ̶ȳ߲âÁ¿³ö¸÷ÏàÁÚ¼ÆÊýµã¼äµÄ¾àÀë·Ö±ðΪAB=1.50cm£¬BC=3.88 cm£¬CD=6.26 cm£¬DE=8.67 cm£¬EF=11.08 cm£¬FG=13.49cm£¬ÔòС³µÔ˶¯µÄ¼ÓËٶȴóСa = _____   m/s2£¬´òÖ½´øÉÏCµãʱС³µµÄ˲ʱËٶȴóСv C =  ¡¡______¡¡ m/s£®(½á¹û±£Áô¶þλÓÐЧÊý×Ö)

 


£¨3£©.ijͬѧ²âµÃС³µµÄ¼ÓËÙ¶ÈaºÍÀ­Á¦FµÄÊý¾ÝÈçϱíËùʾ£º£¨Ð¡³µÖÊÁ¿±£³Ö²»±ä£©

F/N

0.20

0.30

0.40

0.50

0.60

a/ m/s2

0.30

0.40

0.48

0.60

0.72

¢ÙÇë¸ù¾Ý±íÖеÄÊý¾ÝÔÚ×ø±êͼÉÏ×÷³öa¡ªFͼÏó

¢ÚͼÏó²»¹ý×ø±êÔ­µãµÄÔ­Òò¿ÉÄÜÊÇ______________________________________¡£

£¨1£©   BD    £¨2·Ö£¬±ØÑ¡ÉÙÑ¡²»´íÑ¡1·Ö£©

      £¨2£©   2.4    0.50»ò0.51   £¨Ã¿¿Õ2·Ö£©

      £¨3£©¢Ù£¨2·Ö£©

¢Ú  ƽºâĦ²Á¹ý¶È»òľ°åÒ»¶ËµæµÃ¹ý¸ß£¨1·Ö£©

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ijͬѧÔÚ×ö¡°Ì½¾¿¼ÓËÙ¶ÈÓëÁ¦µÄ¹Øϵ¡±µÄʵÑéÖУ¬Ê¹ÓÃÁËͼʾµÄ×°Ö㬽«Ð¡³µ·ÅÔÚ¹ìµÀÉÏ£¬Ð¡³µµÄÒ»¶ËÁ¬½ÓÒ»Ìõ´©¹ý´òµã¼ÆʱÆ÷µÄÖ½´ø£¬ÁíÒ»¶ËÓÃϸÉþÓë¹³ÂëÁ¬½Ó£¬Ï¸Éþ¿ç¹ý¶¨»¬ÂÖ£®
£¨1£©¹ØÓÚʵÑéµÄ²Ù×÷¹ý³Ì£¬ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ
B
B
£®
A£®¹ìµÀÓ¦±£³Öˮƽ
B£®ÏȽÓͨµçÔ´£¬ºóÊÍ·ÅС³µ
C£®ÐèÒªÖªµÀС³µµÄÖÊÁ¿
D£®ÊµÑéÖÐÈÏΪϸÉþ¶ÔС³µµÄÀ­Á¦µÈÓÚ¹³ÂëÖØÁ¦£¬ËùÒÔ¹³ÂëµÄÖÊÁ¿Ô½´óʵÑéЧ¹ûÔ½ºÃ
¸ÃͬѧʵÑéʱ´ò³öÁË5ÌõÖ½´ø£¬²¢ÇÒ¼ÆËã³öÁËС³µµÄ¼ÓËٶȣ¬½«Ð¡³µµÄ¼ÓËٶȺÍÊܵÄÀ­Á¦ÁÐÔÚϱíÖÐ
a/m?s-2 0.41 0.59 0.80 1.02 1.20
F/N 0.2 0.3 0.4 0.5 0.6
£¨2£©¸ù¾Ý±íÖÐÊý¾Ý£¬ÔÚ´ðÌ⿨×ø±êÖ½ÉÏÈ¡Êʵ±µÄ¿Ì¶È£¬»­³öa-FͼÏó
£¨3£©ÓÉͼÏó¿ÉÒԵõ½ÊµÑéµÄ½áÂÛÊÇ
С³µÖÊÁ¿Ò»¶¨Ê±£¬¼ÓËÙ¶ÈÓë×÷ÓÃÁ¦³ÉÕý±È
С³µÖÊÁ¿Ò»¶¨Ê±£¬¼ÓËÙ¶ÈÓë×÷ÓÃÁ¦³ÉÕý±È
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÔÚ¡¶Ì½¾¿¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿µÄ¹Øϵ¡·ÊµÑéÖÐ
£¨1£©ÔÚʵÑéÖУ¬ÒÔÏÂ×ö·¨ÕýÈ·µÄÊÇ
B
B

A£®Æ½ºâĦ²ÁÁ¦Ê±£¬Ó¦½«ÖØÎïÓÃϸÉþͨ¹ý¶¨»¬ÂÖϵÔÚС³µÉÏ
B£®Ã¿´Î¸Ä±äС³µµÄÖÊÁ¿Ê±£¬²»ÐèÒªÖØÐÂƽºâĦ²ÁÁ¦
C£®ÊµÑéʱ£¬ÏÈ·Å¿ªÐ¡³µ£¬ºó½ÓͨµçÔ´
D£®¡°ÖØÎïµÄÖÊÁ¿Ô¶Ð¡ÓÚС³µµÄÖÊÁ¿¡±ÕâÒ»Ìõ¼þÈç²»Âú×㣬¶Ô̽¾¿¹ý³ÌÒ²²»»á²úÉúÓ°Ïì
£¨2£©ÔÚÕâһʵÑéÖУ¬ÓÐÁ½Î»Í¬Ñ§Í¨¹ý²âÁ¿£¬·Ö±ð×÷³öaÒ»FͼÏó£¬ÈçͼÖеÄA¡¢B¡¢CÏßËùʾ£»ÊÔ·ÖÎö£ºAÏß²»Í¨¹ý×ø±êÔ­µãµÄÔ­ÒòÊÇ£º
δƽºâĦ²Á»òδƽºâµôĦ²Á
δƽºâĦ²Á»òδƽºâµôĦ²Á
£»BÏß²»Í¨¹ý×ø±êÔ­µãµÄÔ­ÒòÊÇ£º
ƽºâĦ²Á¹ý¶È
ƽºâĦ²Á¹ý¶È
£®CÏß·¢ÉúÍäÇúµÄÔ­ÒòÊÇ£º
ûÓÐÂú×ãÖØÎïµÄÖÊÁ¿Ô¶Ð¡ÓÚС³µµÄÖÊÁ¿ÕâÒ»Ìõ¼þ
ûÓÐÂú×ãÖØÎïµÄÖÊÁ¿Ô¶Ð¡ÓÚС³µµÄÖÊÁ¿ÕâÒ»Ìõ¼þ
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

£¨1£©ÔÚ¡¶Ì½¾¿¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿µÄ¹Øϵ¡·ÊµÑéÖУ®
¢Ùij×éͬѧÓÃÈçͼ1ËùʾװÖ㬲ÉÓÿØÖƱäÁ¿µÄ·½·¨£¬À´Ñо¿Ð¡³µÖÊÁ¿²»±äµÄÇé¿öÏ£¬Ð¡³µµÄ¼ÓËÙ¶ÈÓëС³µÊܵ½Á¦µÄ¹Øϵ£®ÏÂÁдëÊ©Öв»ÐèÒª»ò²»ÕýÈ·µÄÊÇ
BCEF
BCEF


A£®Ê×ÏÈҪƽºâĦ²ÁÁ¦£¬Ê¹Ð¡³µÊܵ½ºÏÁ¦¾ÍÊÇϸÉþ¶ÔС³µµÄÀ­Á¦£®
B£®Æ½ºâĦ²ÁÁ¦µÄ·½·¨¾ÍÊÇ£¬ÔÚËÜÁÏСͰÖÐÌí¼ÓíÀÂ룬ʹС³µÄÜÔÈËÙ»¬¶¯£®
C£®Ã¿´Î¸Ä±äÀ­Ð¡³µÀ­Á¦ºó¶¼ÐèÒªÖØÐÂƽºâĦ²ÁÁ¦
D£®ÊµÑéÖÐͨ¹ýÔÚËÜÁÏÍ°ÖÐÔö¼ÓíÀÂëÀ´¸Ä±äС³µÊܵ½µÄÀ­Á¦
E£®Ã¿´ÎС³µ¶¼Òª´ÓͬһλÖÿªÊ¼Ô˶¯
F£®ÊµÑéÖÐÓ¦ÏÈ·ÅС³µ£¬È»ºóÔÙ¿ª´òµã¼ÆʱÆ÷µÄµçÔ´
¢Úij×éͬѧʵÑéµÃ³öÊý¾Ý£¬»­³öµÄa-
1M
µÄ¹ØϵͼÏߣ¬Èçͼ2Ëùʾ£®´ÓͼÏóÖпÉÒÔ¿´³ö£¬×÷ÓÃÔÚÎïÌåÉϵĺãÁ¦F=
5
5
N£®µ±ÎïÌåµÄÖÊÁ¿Îª5kgʱ£¬ËüµÄ¼ÓËÙ¶ÈΪ
1
1
m/s2£®
£¨2£©ÔÚÑéÖ¤¹²µãÁ¦ºÏ³ÉʵÑéÖУ¬ÆäÖеĶþ¸ö²½ÖèÊÇ£º
a¡¢ÔÚˮƽ·ÅÖõÄľ°åÉϵæÒ»ÕÅ°×Ö½£¬°ÑÏðƤÌõµÄÒ»¶Ë¹Ì¶¨ÔÚľ°åÉÏ£¬ÁíÒ»¶ËË©Á½¸ùϸÏߣ¬Í¨¹ýϸÏßͬʱÓÃÁ½¸öµ¯»É³Ó»¥³É½Ç¶ÈµØÀ­ÏðƤÌõ£¬Ê¹ËüÓëϸÏߵĽáµã´ïµ½Ä³Ò»Î»ÖÃOµã£¬ÔÚ°×Ö½ÉϼÇÏÂOµãµÄλÖúÍÁ½¸öµ¯»É³ÓµÄ¶ÁÊýF1ºÍF2£®
b¡¢Ö»ÓÃÒ»¸öµ¯»É³Óͨ¹ýϸÉþÀ­ÏðƤÌõ£¬Ê¹ËüµÄÉ쳤Á¿ÓëÓÃÁ½¸öµ¯»É³ÓÀ­Ê±É쳤Á¿Ò»Ñù£¬¼ÇÏ´Ëʱµ¯»É³ÓµÄ¶ÁÊýF3ºÍϸÏߵķ½Ïò£®
ÒÔÉÏÁ½²½Öè¾ùÓдíÎó»òÊè©£¬Ö¸³ö´íÔÚÄÄÀÔÚaÖÐÊÇ
»¹Ó¦¼ÇÏÂF1ºÍF2µÄ·½Ïò
»¹Ó¦¼ÇÏÂF1ºÍF2µÄ·½Ïò
ÔÚbÖÐÊÇ
Ó¦ÈÃÏðƤÌõÉ쳤µ½0µã£®
Ó¦ÈÃÏðƤÌõÉ쳤µ½0µã£®
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£ºÔĶÁÀí½â

ÔÚ×ö¡°Ì½¾¿¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿¹Øϵ¡±µÄʵÑéʱ£¬²ÉÓÃÈçͼ1ËùʾµÄʵÑé×°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£®Îª¼õС´ËÎó²î£¬ÊµÑéÖÐÒª¶ÔС³µÖÊÁ¿MºÍÖØÎïÖÊÁ¿m½øÐÐÑ¡È¡£¬ÒÔÏÂËÄ×éÊý¾ÝÖÐ×îºÏÀíµÄÒ»×éÊÇ
¢Ü
¢Ü
£®£¨ÌîдÏàÓ¦ÐòºÅ£©
¢ÙM=200g£¬m=40g¡¢60g¡¢80g¡¢100g¡¢120g¡¢140g
¢ÚM=200g£¬m=30g¡¢35g¡¢40g¡¢45g¡¢50g¡¢55g
¢ÛM=400g£¬m=20g¡¢40g¡¢60g¡¢80g¡¢100g¡¢120g
¢ÜM=400g£¬m=10g¡¢15g¡¢20g¡¢25g¡¢30g¡¢35g
£¨3£©ÊµÑéÖÐijͬѧÏȱ£³ÖÖØÎïÖÊÁ¿m²»±ä£¬¸Ä±äС³µÖÊÁ¿M£¬²â³öÁËÏàÓ¦µÄ¼ÓËÙ¶Èa£®Îª±ãÓڵõ½aÓëMµÄ¹Øϵ£¬Ëû²ÉÓÃͼÏó·¨´¦ÀíÊý¾Ý£¬Ä㽨ÒéËû×öaÓë
1
M
1
M
µÄͼÏó£®
£¨4£©¼×¡¢ÒÒÁ½Í¬Ñ§ÓÃͬһÖÖ·½·¨×öʵÑ飬¼´±£³ÖС³µÖÊÁ¿M²»±ä£¬¸Ä±äÖØÎïÖÊÁ¿m£¬²â³öÁËÏàÓ¦µÄ¼ÓËÙ¶Èa£®ÕýÈ·²Ù×÷ºó£¬ËûÃǸù¾Ý¸÷×Ô²âµÃµÄʵÑéÊý¾Ý»­³öÁËÈçͼ2ËùʾµÄa-FͼÏó£®ËûÃǵõ½Í¼Ïó²»Í¬£¬ÆäÔ­ÒòÊÇËûÃÇÑ¡È¡µÄ
С³µÖÊÁ¿
С³µÖÊÁ¿
²»Í¬£¬µ«ËûÃǵõ½ÁËÏàͬµÄ½áÂÛ£¬´Ë½áÂÛÊÇ£º
µ±ÖÊÁ¿Ò»¶¨Ê±£¬¼ÓËÙ¶ÈÓëºÏÍâÁ¦³ÉÕý±È
µ±ÖÊÁ¿Ò»¶¨Ê±£¬¼ÓËÙ¶ÈÓëºÏÍâÁ¦³ÉÕý±È
£®

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°¸