ÒÔÏÂÊÇһλͬѧ×ö¡°Ì½¾¿ÐαäÓ뵯Á¦µÄ¹Øϵ¡±µÄʵÑé¡£

£¨1£©ÏÂÁеÄʵÑé²½ÖèÊÇÕâλͬѧ׼±¸Íê³ÉµÄ£¬ÇëÄã°ïÕâλͬѧ°´²Ù×÷µÄÏȺó˳Ðò£¬ÓÃ×ÖĸÅÅÁгöÀ´ÊÇ£º               ¡£

A£®ÒÔµ¯»ÉÉ쳤Á¿Îªºá×ø±ê£¬ÒÔµ¯Á¦Îª×Ý×ø±ê£¬Ãè³ö¸÷×éÊý¾Ý£¨x£¬F£©¶ÔÓ¦µÄµã£¬²¢ÓÃƽ»¬µÄÇúÏßÁ¬½áÆðÀ´¡£

B£®¼Çϵ¯»É²»¹Ò¹³Âëʱ£¬Æä϶ËÔڿ̶ȳßÉϵĿ̶ÈL0

C£®½«Ìú¼Ų̈¹Ì¶¨ÓÚ×À×ÓÉÏ£¬²¢½«µ¯»ÉµÄÒ»¶ËϵÓÚºáÁºÉÏ£¬ÔÚµ¯»É¸½½üÊúÖ±¹Ì¶¨Ò»¿Ì¶È³ß

D£®ÒÀ´ÎÔÚµ¯»É϶˹ÒÉÏ1¸ö¡¢2¸ö¡¢3¸ö¡¢4¸ö¡­¡­¹³Â룬²¢·Ö±ð¼ÇϹ³Â뾲ֹʱ£¬µ¯»É϶ËËù¶ÔÓ¦µÄ¿Ì¶È²¢¼Ç¼ÔÚ±í¸ñÄÚ£¬È»ºóȡϹ³Âë

E¡¢ÒÔµ¯»ÉÉ쳤Á¿Îª×Ô±äÁ¿£¬Ð´³öµ¯Á¦Ó뵯»ÉÉ쳤Á¿µÄ¹Øϵʽ.

F¡¢½âÊͺ¯Êý±í´ïʽÖг£ÊýµÄÎïÀíÒâÒå.

£¨2£©Ï±íÊÇÕâλͬѧ̽¾¿µ¯Á¦´óСÓ뵯»ÉÉ쳤Á¿Ö®¼äµÄ¹ØϵËù²âµÄ¼¸×éÊý¾Ý£º

µ¯Á¦£¨F/N£©

0.5

1.0

1.5

2.0

2.5

µ¯»ÉÔ­À´³¤¶È£¨L0/cm£©

15

15

15

15

15

µ¯»ÉºóÀ´³¤¶È£¨L/cm£©

16.0

17.1

18.0

18.9

20

µ¯»ÉÉ쳤Á¿£¨x/cm£©

1.0

2.1

3.0

3.9

5.0

 

¾ÝÉϱíµÄÊý¾ÝÔÚÓÒÏÂͼµÄ×ø±êÖÐ×÷³öF-xͼÏß¡£

¢Úд³öÇúÏߵĺ¯Êý±í´ïʽ¡££¨xÓÃcm×÷µ¥Î»£©£º                                         

¢Ûº¯Êý±í´ïʽÖг£ÊýµÄÎïÀíÒâÒ壺                                           

 

¡¾´ð°¸¡¿

£¨1£©ÊµÑé²½ÖèÅÅÁУº C B D A E F

£¨2£©¢Ù ͼÏßÂÔ¡£

¢ÚÇúÏߵĺ¯ÊýʽΪ  F = 0.5x 

¢Û±íʾʹµ¯»ÉÿÉ쳤»òѹËõ0.01m£¨1cm£©ËùÐèµÄÀ­Á¦£¬´óСΪ0.5N

¡¾½âÎö¡¿

ÊÔÌâ·ÖÎö£º£¨1£©ÏÈ×é×°Æ÷²Ä£¬¼´CB£¬È»ºó½øÐÐʵÑ飬¼´D£¬×îºóÊý¾Ý´¦Àí£¬¼´AEF£®ËùÒÔÏȺó˳ÐòΪCBDAEF£¨2£©¢ÙÃèµã×÷ͼ£®ÈçÏÂͼ£®

¢Ú¡¢¸ù¾ÝͼÏ󣬸ÃÖ±ÏßΪ¹ýÔ­µãµÄÒ»ÌõÖ±Ïߣ¬¼´µ¯Á¦ÓëÉ쳤Á¿³ÉÕý±È£¬Í¼ÏóµÄбÂʱíʾµ¯»ÉµÄ¾¢¶ÈϵÊý£¬k=0.5N/cm£®¢Û±íʾʹµ¯»ÉÿÉ쳤»òѹËõ0.01m£¨1cm£©ËùÐèµÄÀ­Á¦£¬´óСΪ0.5N

¿¼µã£º¿¼²éºú¿Ë¶¨ÂÉ

µãÆÀ£º½â¾ö±¾ÌâµÄ¹Ø¼üÕÆÎÕµ¯Á¦Ó뵯»ÉÉ쳤¹ØϵµÄʵÑé²½Ö裬»áÃèµã×÷ͼ£¬ÕÆÎÕ×÷ͼµÄ·½·¨£®»á´ÓͼÏóÖзÖÎöÊý¾Ý

 

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÒÔÏÂÊÇһλͬѧ×ö¡°Ì½¾¿ÐαäÓ뵯Á¦µÄ¹Øϵ¡±µÄʵÑ飮
£¨1£©ÏÂÁеÄʵÑé²½ÖèÊÇÕâλͬѧ׼±¸Íê³ÉµÄ£¬ÇëÄã°ïÕâλͬѧ°´²Ù×÷µÄÏȺó˳Ðò£¬ÓÃ×ÖĸÅÅÁгöÀ´ÊÇ£º
CBDAEF
CBDAEF
£®
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϶ËÔڿ̶ȳßÉϵĿ̶ÈL0
C¡¢½«Ìú¼Ų̈¹Ì¶¨ÓÚ×À×ÓÉÏ£¬²¢½«µ¯»ÉµÄÒ»¶ËϵÓÚºáÁºÉÏ£¬ÔÚµ¯»É¸½½üÊúÖ±¹Ì¶¨Ò»¿Ì¶È³ß
D¡¢ÒÀ´ÎÔÚµ¯»É϶˹ÒÉÏ1¸ö¡¢2¸ö¡¢3¸ö¡¢4¸ö¡­¹³Â룬²¢·Ö±ð¼ÇϹ³Â뾲ֹʱ£¬µ¯»É϶ËËù¶ÔÓ¦µÄ¿Ì¶È²¢¼Ç¼ÔÚ±í¸ñÄÚ£¬È»ºóȡϹ³Âë
E¡¢ÒÔµ¯»ÉÉ쳤Á¿Îª×Ô±äÁ¿£¬Ð´³öµ¯Á¦Ó뵯»ÉÉ쳤Á¿µÄ¹Øϵʽ£®
F¡¢½âÊͺ¯Êý±í´ïʽÖг£ÊýµÄÎïÀíÒâÒ壮
£¨2£©Ï±íÊÇÕâλͬѧ̽¾¿µ¯Á¦´óСÓ뵯»ÉÉ쳤Á¿Ö®¼äµÄ¹ØϵËù²âµÄ¼¸×éÊý¾Ý£º
µ¯Á¦£¨F/N£© 0.5 1.0 1.5 2.0 2.5
µ¯»ÉÔ­À´³¤¶È£¨L0/cm£© 15 15 15 15 15
µ¯»ÉºóÀ´³¤¶È£¨L/cm£© 16.2 17.3 18.5 19.6 20.8
µ¯»ÉÉ쳤Á¿£¨x/cm£© 1.2 2.3 3.5 4.6 5.8
1£®¸ù¾ÝÉϱíµÄÊý¾ÝÔÚÏÂͼµÄ×ø±êÖÐ×÷³öF-xͼÏߣ®

2£®Ð´³öÇúÏߵĺ¯Êý±í´ïʽ£®£¨xÓÃcm×÷µ¥Î»£©£º
F=0.43x
F=0.43x

3£®º¯Êý±í´ïʽÖг£ÊýµÄÎïÀíÒâÒ壺
µ¯»ÉµÄ¾¢¶ÈϵÊý
µ¯»ÉµÄ¾¢¶ÈϵÊý
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÒÔÏÂÊÇһλͬѧ×ö¡°Ì½¾¿ÐαäÓ뵯Á¦µÄ¹Øϵ¡±µÄʵÑ飮
£¨1£©ÏÂÁеÄʵÑé²½ÖèÊÇÕâλͬѧ׼±¸Íê³ÉµÄ£¬ÇëÄã°ïÕâλͬѧ°´²Ù×÷µÄÏȺó˳Ðò£¬ÓÃ×ÖĸÅÅÁгöÀ´ÊÇ£º
C B D A E F
C B D A E F
£®
A¡¢ÒÔµ¯»ÉÉ쳤Á¿Îªºá×ø±ê£¬ÒÔµ¯Á¦Îª×Ý×ø±ê£¬Ãè³ö¸÷×éÊý¾Ý£¨x£¬F£©¶ÔÓ¦µÄµã£¬²¢ÓÃƽ»¬µÄÇúÏßÁ¬½áÆðÀ´£®
B¡¢¼Çϵ¯»É²»¹Ò¹³Âëʱ£¬Æä϶ËÔڿ̶ȳßÉϵĿ̶ÈL0
C¡¢½«Ìú¼Ų̈¹Ì¶¨ÓÚ×À×ÓÉÏ£¬²¢½«µ¯»ÉµÄÒ»¶ËϵÓÚºáÁºÉÏ£¬ÔÚµ¯»É¸½½üÊúÖ±¹Ì¶¨Ò»¿Ì¶È³ß
D¡¢ÒÀ´ÎÔÚµ¯»É϶˹ÒÉÏ1¸ö¡¢2¸ö¡¢3¸ö¡¢4¸ö¡­¹³Â룬²¢·Ö±ð¼ÇϹ³Â뾲ֹʱ£¬µ¯»É϶ËËù¶ÔÓ¦µÄ¿Ì¶È²¢¼Ç¼ÔÚ±í¸ñÄÚ£¬È»ºóȡϹ³Âë
E¡¢ÒÔµ¯»ÉÉ쳤Á¿Îª×Ô±äÁ¿£¬Ð´³öµ¯Á¦Ó뵯»ÉÉ쳤Á¿µÄ¹Øϵʽ£®
F¡¢½âÊͺ¯Êý±í´ïʽÖг£ÊýµÄÎïÀíÒâÒ壮
£¨2£©Ï±íÊÇÕâλͬѧ̽¾¿µ¯Á¦´óСÓ뵯»ÉÉ쳤Á¿Ö®¼äµÄ¹ØϵËù²âµÄ¼¸×éÊý¾Ý£º
µ¯Á¦£¨F/N£© 0.5 1.0 1.5 2.0 2.5
µ¯»ÉÔ­À´³¤¶È£¨L0/cm£© 15 15 15 15 15
µ¯»ÉºóÀ´³¤¶È£¨L/cm£© 16.2 17.3 18.5 19.6 20.8
µ¯»ÉÉ쳤Á¿£¨x/cm£©
1.2
1.2
2.3
2.3
3.5
3.5
4.6
4.6
5.8
5.8
¢ÙËã³öÿһ´Îµ¯»ÉÉ쳤Á¿£¬²¢½«½á¹ûÌîÔÚÉϱíµÄ¿Õ¸ñÄÚ
¢ÚÔÚÈçͼµÄ×ø±êÉÏ×÷³öF-xͼÏߣ®
¢Ûд³öÇúÏߵĺ¯Êý±í´ïʽ£®£¨xÓÃcm×÷µ¥Î»£©£º
F=0.43x
F=0.43x

¢Üº¯Êý±í´ïʽÖг£ÊýµÄÎïÀíÒâÒ壺
µ¯»ÉµÄ¾¢¶ÈϵÊýΪ0.43N/cm
µ¯»ÉµÄ¾¢¶ÈϵÊýΪ0.43N/cm
£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º½­Î÷Ê¡¼ª°²¶þÖС¢¼ªË®¶þÖÐ2011£­2012ѧÄê12ÔÂÁª¿¼ÎïÀíÊÔÌâ ÌâÐÍ£º022

ÒÔÏÂÊÇһλͬѧ×ö¡°Ì½¾¿µ¯»ÉµÄÐαäÁ¿Ó뵯Á¦µÄ¹Øϵ¡±µÄʵÑ飮ÏÂÁеÄʵÑé²½ÖèÊÇÕâλͬѧ׼±¸Íê³ÉµÄ£¬ÇëÄã°ïÕâλͬѧ°´²Ù×÷µÄÏȺó˳Ðò£¬ÓÃ×ÖĸÅÅÁгöÀ´ÊÇ£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϶ËÔڿ̶ȳßÉϵĿ̶ÈL0

C¡¢½«Ìú¼Ų̈¹Ì¶¨ÓÚ×À×ÓÉÏ£¬²¢½«µ¯»ÉµÄÒ»¶ËϵÓÚºáÁºÉÏ£¬ÔÚµ¯»É¸½½üÊúÖ±¹Ì¶¨Ò»¿Ì¶È³ß

D¡¢ÒÀ´ÎÔÚµ¯»É϶˹ÒÉÏ1¸ö¡¢2¸ö¡¢3¸ö¡¢4¸ö¡­¡­¹³Â룬²¢·Ö±ð¼ÇϹ³Â뾲ֹʱ£¬µ¯»É϶ËËù¶ÔÓ¦µÄ¿Ì¶È²¢¼Ç¼ÔÚ±í¸ñÄÚ£¬È»ºóȡϹ³Âë

E£®ÒÔµ¯»ÉÉ쳤Á¿Îª×Ô±äÁ¿£¬Ð´³öµ¯Á¦Ó뵯»ÉÉ쳤Á¿µÄ¹Øϵʽ£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2011Äê½­Î÷Ê¡¸ßÒ»µÚһѧÆÚÁª¿¼ÎïÀí¾í ÌâÐÍ£ºÊµÑéÌâ

ÒÔÏÂÊÇһλͬѧ×ö¡°Ì½¾¿µ¯»ÉµÄÐαäÁ¿Ó뵯Á¦µÄ¹Øϵ¡±µÄʵÑé¡£ÏÂÁеÄʵÑé²½ÖèÊÇÕâλͬѧ׼±¸Íê³ÉµÄ£¬ÇëÄã°ïÕâλͬѧ°´²Ù×÷µÄÏȺó˳Ðò£¬ÓÃ×ÖĸÅÅÁгöÀ´ÊÇ£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϶ËÔڿ̶ȳßÉϵĿ̶ÈL0

C£®½«Ìú¼Ų̈¹Ì¶¨ÓÚ×À×ÓÉÏ£¬²¢½«µ¯»ÉµÄÒ»¶ËϵÓÚºáÁºÉÏ£¬ÔÚµ¯»É¸½½üÊúÖ±¹Ì¶¨Ò»¿Ì¶È³ß

D£®ÒÀ´ÎÔÚµ¯»É϶˹ÒÉÏ1¸ö¡¢2¸ö¡¢3¸ö¡¢4¸ö¡­¡­¹³Â룬²¢·Ö±ð¼ÇϹ³Â뾲ֹʱ£¬µ¯»É϶ËËù¶ÔÓ¦µÄ¿Ì¶È²¢¼Ç¼ÔÚ±í¸ñÄÚ£¬È»ºóȡϹ³Âë

E£®ÒÔµ¯»ÉÉ쳤Á¿Îª×Ô±äÁ¿£¬Ð´³öµ¯Á¦Ó뵯»ÉÉ쳤Á¿µÄ¹Øϵʽ.

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÒÔÏÂÊÇһλͬѧ×ö¡°Ì½¾¿µ¯»ÉµÄÐαäÁ¿Ó뵯Á¦µÄ¹Øϵ¡±µÄʵÑé¡£ÏÂÁеÄʵÑé²½ÖèÊÇÕâλͬѧ׼±¸Íê³ÉµÄ£¬ÇëÄã°ïÕâλͬѧ°´²Ù×÷µÄÏȺó˳Ðò£¬ÓÃ×ÖĸÅÅÁгöÀ´ÊÇ£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϶ËÔڿ̶ȳßÉϵĿ̶ÈL0

C£®½«Ìú¼Ų̈¹Ì¶¨ÓÚ×À×ÓÉÏ£¬²¢½«µ¯»ÉµÄÒ»¶ËϵÓÚºáÁºÉÏ£¬ÔÚµ¯»É¸½½üÊúÖ±¹Ì¶¨Ò»¿Ì¶È³ß

D£®ÒÀ´ÎÔÚµ¯»É϶˹ÒÉÏ1¸ö¡¢2¸ö¡¢3¸ö¡¢4¸ö¡­¡­¹³Â룬²¢·Ö±ð¼ÇϹ³Â뾲ֹʱ£¬µ¯»É϶ËËù¶ÔÓ¦µÄ¿Ì¶È²¢¼Ç¼ÔÚ±í¸ñÄÚ£¬È»ºóȡϹ³Âë

E£®ÒÔµ¯»ÉÉ쳤Á¿Îª×Ô±äÁ¿£¬Ð´³öµ¯Á¦Ó뵯»ÉÉ쳤Á¿µÄ¹Øϵʽ.

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸