¢ñ¡¢ÒÔÏÂÊÇһλͬѧ×ö¡°Ì½¾¿ÐαäÓ뵯Á¦µÄ¹Øϵ¡±µÄʵÑ飮
£¨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¬½ÓÆðÀ´£®
B¡¢¼Çϵ¯»É²»¹Ò¹³Âëʱ£¬Æä϶ËÔڿ̶ȳßÉϵĿ̶ÈL
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£©Õâλͬѧ̽¾¿µ¯Á¦´óСÓ뵯»ÉÉ쳤Á¿Ö®¼äµÄ¹ØϵËù²âµÄ¼¸×éÊý¾ÝÔÚͼ1µÄ×ø±êÉÏÒÑÃè³ö£º
¢ÙÔÚͼÖеÄ×ø±êÉÏ×÷³öF-xͼÏߣ®
¢Úд³öÇúÏߵĺ¯Êý±í´ïʽ£®£¨xÓÃcm×÷µ¥Î»£©£º______
¢ò¡¢ÔÚ̽¾¿¡°¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿µÄ¹Øϵ¡±µÄ»î¶¯ÖУº
£¨1£©Ä³Í¬Ñ§ÔÚ½ÓͨµçÔ´½øÐÐʵÑé֮ǰ£¬½«ÊµÑéÆ÷²Ä×é×°Èçͼ2Ëùʾ£®ÇëÄãÖ¸  ³ö¸Ã×°ÖÃÖеĴíÎó»ò²»Í×Ö®´¦£º______
£¨Ö»Òª´ð³öÆäÖеÄÁ½µã¼´¿É£©
£¨2£©¸ÄÕýʵÑé×°Öú󣬸Ãͬѧ˳ÀûµØÍê³ÉÁËʵÑ飮ͼ3ÊÇËûÔÚʵÑéÖеõ½µÄÒ»ÌõÖ½´ø£¬Í¼ÖÐ3ÏàÁÚÁ½¼ÆÊýµãÖ®¼äµÄʱ¼ä¼ä¸ôΪ0.1s£¬ÓÉͼ3ÖеÄÊý¾Ý¿ÉËãµÃС³µµÄ¼ÓËÙ¶ÈaΪ______m/s2£®£¨½á¹ûÈ¡Á½Î»ÓÐЧÊý×Ö£©

£¨3£©¸ÃͬѧÔÚʵÑéÖб£³ÖÀ­Á¦²»±ä£¬µÃµ½ÁËС³µ¼ÓËÙ¶ÈËæÖÊÁ¿±ä»¯µÄÒ»×éÊý¾Ý£¬Èç±íËùʾ
ʵÑé´ÎÊý¼ÓËÙ¶È
a/m?s-2
С³µÓëíÀÂë×ÜÖÊÁ¿
m/kg
С³µÓëíÀÂë×ÜÖÊÁ¿µÄµ¹Êý
m-1/kg-1
10.290.205.0
20.250.254.0
30.220.303.3
40.180.352.9
50.160.402.5
ÇëÄãÔÚͼ4µÄ·½¸ñÖ½Öн¨Á¢ºÏÊÊ×ø±ê²¢»­³öÄÜÖ±¹Û·´Ó³³ö¼ÓËÙ¶ÈÓëÖÊÁ¿¹ØϵµÄͼÏߣ®
ÓÉͼÏóµÃ³öµÄ½áÂÛÊÇ______£®
¡¾´ð°¸¡¿·ÖÎö£º¢ñ£¨1£©ÏÈ×é×°Æ÷²Ä£¬È»ºó½øÐÐʵÑ飬×îºóÊý¾Ý´¦Àí£®
£¨2£©ÒÔ×ÝÖá±íʾµ¯»ÉµÄµ¯Á¦£¬ºáÖá±íʾµ¯»ÉµÄÉ쳤Á¿£¬Ãèµã×÷ͼ£®Èþ¡Á¿¶àµÄµãÂäÔÚÖ±ÏßÉÏ»ò·Ö¾ÓÖ±ÏßÁ½²à£®
¸ù¾ÝFÓëx³ÉÕý±È¹Øϵ£¬Ð´³ö±í´ïʽ£®±í´ïʽÖеij£Êý±íʾµ¯»ÉµÄ¾¢¶ÈϵÊý£®
¢ò¡¢µç´Å´òµã¼ÆʱÆ÷ÊÇÀûÓÃ4¡«6vµÄ½»Á÷µçÔ´£¬µç»ð»¨¼ÆʱÆ÷ÊÇÀûÓÃ220v½»Á÷µçÔ´£»ÊÍ·ÅǰС³µÓ¦½ô¿¿´òµã¼ÆʱÆ÷£»ÊµÑéÇ°ÒªÊ×ÏÈƽºâĦ²ÁÁ¦£®
ÀûÓÃÖð²î·¨¸ù¾Ý¡÷x=aT2¿ÉÇóÎïÌåµÄ¼ÓËٶȣ®
½â´ð£º½â£º¢ñ¡¢£¨1£©ÏÈ×é×°Æ÷²Ä£¬¼´CB£¬È»ºó½øÐÐʵÑ飬¼´D£¬×îºóÊý¾Ý´¦Àí£¬¼´AEF£®ËùÒÔÏȺó˳ÐòΪCBDAEF£®
£¨2£©Ãèµã×÷ͼ£®ÈçÏÂͼ£®

   ¸ù¾ÝͼÏ󣬸ÃÖ±ÏßΪ¹ýÔ­µãµÄÒ»ÌõÖ±Ïߣ¬¼´µ¯Á¦ÓëÉ쳤Á¿³ÉÕý±È£¬¼´F=kx=0.43x£®
¢ò¡¢£º£¨1£©¸ÃʵÑéÖеç´Å´òµã¼ÆʱÆ÷ÊÇÀûÓÃ4¡«6vµÄ½»Á÷µçÔ´£¬µç»ð»¨¼ÆʱÆ÷ÊÇÀûÓÃ220v½»Á÷µçÔ´£»ÎªÁ˾¡¿ÉÄܵÄÀûÓÃÖ½´øÔÚÊÍ·ÅǰС³µÓ¦½ô¿¿´òµã¼ÆʱÆ÷£»ÔÚ±¾ÊµÑéÖÐÎÒÃÇÈÏΪÉþ×ÓµÄÀ­Á¦µÈÓÚÎïÌåËùÊܵĺÏÍâÁ¦£¬¹ÊÔÚʵÑéÇ°ÒªÊ×ÏÈƽºâĦ²ÁÁ¦£®
´íÎó»ò²»Í×Ö®´¦£º´òµã¼ÆʱÆ÷²»Ó¦Ê¹Óøɵç³Ø£¬Ó¦Ê¹Óý»Á÷µçÔ´£»ÊµÑéÖÐûÓÐƽºâС³µµÄĦ²ÁÁ¦£»Ð¡³µ³õʼλÖÃÀë´òµã¼ÆʱÆ÷Ì«Ô¶£¬
£¨2£©¸ù¾Ý¡÷x=aT2¿ÉµÃ
ÎïÌåµÄ¼ÓËÙ¶Èa==0.20m/s2£®
£¨3£©×÷³ö¼ÓËÙ¶ÈÓëС³µÖÊÁ¿µ¹ÊýµÄ¹ØϵͼÏó£ºÈçÉÏͼ
ÔÚºÏÍâÁ¦±£³Ö²»±äʱ£¬ÎïÌåµÄ¼ÓËÙ¶ÈÓëÎïÌåµÄÖÊÁ¿³É·´±È£®
¹Ê´ð°¸Îª£º¢ñ
£¨1£©ÊµÑé²½ÖèÅÅÁУºC B D A E F 
£¨2£©¢ÙÈçͼ£®
¢ÚF=0.43x  
¢ò£¨1£©´òµã¼ÆʱÆ÷²»Ó¦Ê¹Óøɵç³Ø£¬Ó¦Ê¹Óý»Á÷µçÔ´£»ÊµÑéÖÐûÓÐƽºâС³µµÄĦ²ÁÁ¦£»Ð¡³µ³õʼλÖÃÀë´òµã¼ÆʱÆ÷Ì«Ô¶£¬
£¨2£©0.20
£¨3£©ÈçͼËùʾ£¬ÔÚºÏÍâÁ¦±£³Ö²»±äʱ£¬ÎïÌåµÄ¼ÓËÙ¶ÈÓëÎïÌåµÄÖÊÁ¿³É·´±È£®
µãÆÀ£º¢ñ¡¢½â¾ö±¾ÌâµÄ¹Ø¼üÕÆÎÕµ¯Á¦Ó뵯»ÉÉ쳤¹ØϵµÄʵÑé²½Ö裬»áÃèµã×÷ͼ£¬ÕÆÎÕ×÷ͼµÄ·½·¨£®»á´ÓͼÏóÖзÖÎöÊý¾Ý£®
¢ò¡¢°ÑÎÕʵÑéÔ­Àí²ÅÄÜ׼ȷµÄ°ÑÎÕʵÑéµÄ²Ù×÷²½Ö裬²ÅÄÜ׼ȷµÄÑ¡ÔñºÍ²Ù×÷ʵÑéÆ÷²Ä£®
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¿µ¯Á¦Ó뵯»ÉÉ쳤µÄ¹Øϵ¡±µÄʵÑ飮
£¨1£©ÏÂÁеÄʵÑé²½ÖèÊÇÕâλͬѧ׼±¸Íê³ÉµÄ£¬ÇëÄã°ïÕâλͬѧ°´²Ù×÷µÄÏȺó˳Ðò£¬ÓÃ×ÖĸÅÅÁгöÀ´£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®¼äµÄ¹ØϵËù²âµÄ
¼¸×éÊý¾Ý£º
¢ÙÔÚÈçͼµÄ×ø±êÉÏ×÷³öF-xͼÏߣ®
¢Úµ¯»ÉµÄ¾¢¶ÈϵÊýk=
0.43N/cm
0.43N/cm

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

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´£º ÌâÐÍ£º

ÒÔÏÂÊÇһλͬѧ×ö¡°Ì½¾¿µ¯Á¦Ó뵯»ÉÉ쳤µÄ¹Øϵ¡±µÄʵÑ飬ϱíÊÇÕâλͬѧ̽¾¿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 17.4 18.6 19.8 21.0
µ¯»ÉÉ쳤Á¿£¨x/cm£© 1.2 2.4 3.6 4.8 6.0
£¨1£©ÔÚÈçͼµÄ×ø±êÉÏ×÷³öF-xͼÏߣ®
£¨2£©Çó´Ëµ¯»ÉµÄ¾¢¶ÈϵÊý
416.7N/m
416.7N/m
£®

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
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£©
¢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
£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸