ÈçͼËùʾÊÇijͬѧ̽¾¿¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿¹ØϵµÄʵÑé×°Ö᣽«Ò»Á¾Ð¡³µ·ÅÔڹ⻬µÄˮƽ°åÉÏ£¬Ð¡³µÇ°¶ËϵÉÏϸÉþ£¬ÉþµÄÁíÒ»¶Ë¿ç¹ý¶¨»¬ÂÖ¹ÒһСÅÌ£¬ÅÌÀï·ÅÊÊÁ¿µÄíÀÂ룬ÅÌÓëíÀÂëµÄ×ÜÖÊÁ¿Îªm£¬³µºó¶ËÁ¬Ò»Ö½´ø£¬´©¹ý´òµã¼ÆʱÆ÷ÏÞλ¿×£¬Ð¡³µÔ˶¯Ê±´ø¶¯Ö½´øÔ˶¯£¬Í¨¹ý´òµã¼ÆʱÆ÷¼Ç¼ÏÂС³µÔ˶¯µÄÇé¿ö¡£

¸Ãͬѧͨ¹ýÔÚС³µÉϼӼõíÀÂë¸Ä±äС³µµÄÖÊÁ¿M£¬Í¨¹ýÔÚÅÌÖÐÔö¼õíÀÂë¸Ä±äС³µËùÊܵĺÏÁ¦F£¬Ñо¿Ö½´øËã³öС³µÔ˶¯µÄ¼ÓËÙ¶Èa£¬¼¸´ÎʵÑéÊý¾Ý¼Ç¼ÈçÏÂ±í£º

´Î

1

2

3

4

5

6

7

8

M/kg

M0

M0

M0

M0

1.25

1.50

2.00

2.50

F/N

0.25

0.50

0.75

1.00

F0

F0

F0

F0

a/(m•s-2)

0.25

0.51

0.74

0.99

0.80

0.67

0.50

0.40

 

1.ijͬѧͨ¹ý¼ÆËãµÃµ½ÉþÖеÄÀ­Á¦±í´ïʽΪ,·ÖÎö±í´ïʽ¿ÉÖª£¬ÒªÊ¹ÉþÖеÄÀ­Á¦£¨¼´À­Ð¡³µµÄÁ¦£©£¬ÒªÂú×ãµÄÌõ¼þÊǣߣߣߣߣߣߣߣߣߣߣߣߣߡ£

2.ÔÚʵÑéÖÐΪÁË̽¾¿Ð¡³µµÄ¼ÓËÙ¶ÈÓëÁ¦ºÍÖÊÁ¿µÄ¹Øϵ£¬¸Ãͬѧ²ÉÓÃÁËÏȱ£³ÖС³µÖÊÁ¿M²»±ä£¬Ñо¿ÁíÁ½¸öÁ¿¼äµÄ¹Øϵ£¬ÕâÖÖʵÑé·½·¨½Ð×ö£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£»

3.ͨ¹ý±íÖÐ1¡ª4ÁÐÊý¾ÝÔÚ¸ø¶¨µÄ×ø±êϵÖл­³öa-FͼÏñ£¬ÓÉͼÏñ¿ÉµÃµ½µÄ½áÂÛÊÇ£º£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£»

ͨ¹ý±íÖÐ4¡ª8ÁÐÊý¾Ý¿ÉµÃµ½µÄ½áÂÛÊÇ£º£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß¡£

 

 

1.

2.¿ØÖƱäÁ¿·¨

3.µ±Ð¡³µÖÊÁ¿Ò»¶¨Ê±£¬Ð¡³µµÄ¼ÓËÙ¶ÈÓëÆäËùÊܵĺÏÁ¦³ÉÕý±È£»(2·Ö)ͼÏñ

µ±Ð¡³µËùÊܵĺÏÁ¦Ò»¶¨Ê±£¬Ð¡³µµÄ¼ÓËÙ¶ÈÓëÆäÖÊÁ¿³É·´±È

½âÎö:ÂÔ

 

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÈçͼËùʾÊÇijͬѧ̽¾¿Ð¡³µµÄËٶȺͼÓËٶȵÄʵÑé×°Öã¬ÕÚ¹âÌõ³¤¶ÈΪ3.0cm£¬Ëû½«¹âµçÃŹ̶¨ÔÚˮƽ¹ìµÀÉϵÄBµã£¬ÓÃÖØÎïͨ¹ýϸÏßÀ­Ð¡³µ£¬ÈÃС³µ×öÖ±ÏßÔ˶¯£®ÊµÑéʱ½«Ð¡³µ´Óͼ¼×ÖÐλÖÃA´¦Óɾ²Ö¹ÊÍ·Å£¬ÓÉÊý×Ö¼ÆʱÆ÷¶Á³öÕÚ¹âÌõͨ¹ý¹âµçÃŵÄʱ¼ä¡÷t1=0.11s£¬ÕÚ¹âÌõ´Ó¿ªÊ¼Ô˶¯µ½¹âµçÃŵÄʱ¼äΪ¡÷t=3.57s£¬ÔòС³µ¾­¹ý¹âµçÃÅʱµÄËÙ¶ÈΪ
0.27
0.27
m/s£¬Ð¡³µ¼ÓËÙ¶ÈΪ
0.076
0.076
m/s2£®£¨±£ÁôÁ½Î»ÓÐЧÊý×Ö£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÈçͼËùʾÊÇijͬѧ̽¾¿¼ÓËÙ¶ÈÓëÁ¦µÄ¹ØϵµÄʵÑé×°Öã®ËûÔÚÆøµæµ¼¹ìÉÏ°²×°ÁËÒ»¸ö¹âµçÃÅ¿Ú£¬»¬¿éÉϹ̶¨Ò»ÕÚ¹âÌõ£¨¿í¶ÈΪd£¬d½ÏС£©£¬»¬¿éÓÃϸÏßÈƹýÆøµæµ¼¹ì×ó¶ËµÄ¶¨»¬ÂÖÓëÁ¦´«¸ÐÆ÷ÏàÁ¬£¬´«¸ÐÆ÷Ï·½Ðü¹Ò¹³Â룬ÿ´Î»¬¿é¶¼´ÓA´¦Óɾ²Ö¹ÊÍ·Å£®
¾«Ó¢¼Ò½ÌÍø
£¨1£©ÊµÑéʱ£¬½«»¬¿é´ÓAλÖÃÓɾ²Ö¹ÊÍ·Å£¬ÓÉÊý×Ö¼ÆʱÆ÷¶Á³öÕÚ¹âÌõͨ¹ý¹âµçÃÅBµÄʱ¼ät£¬ÈôÒªµÃµ½»¬¿éµÄ¼ÓËٶȣ¬»¹ÐèÒª²âÁ¿µÄÎïÀíÁ¿ÊÇ
 
£®
£¨2£©ÏÂÁв»±ØÒªµÄÒ»ÏîʵÑéÒªÇóÊÇ
 
£¨ÇëÌîдѡÏîÇ°¶ÔÓ¦µÄ×Öĸ£©£®
A£®Ó¦Ê¹»¬¿éÖÊÁ¿Ô¶´óÓÚ¹³ÂëºÍÁ¦´«¸ÐÆ÷µÄ×ÜÖÊÁ¿
B£®Ó¦Ê¹AλÖÃÓë¹âµçÃżäµÄ¾àÀëÊʵ±´óЩ
C£®Ó¦½«Æøµæµ¼¹ìµ÷½Úˮƽ
D£®Ó¦Ê¹Ï¸ÏßÓëÆøµæµ¼¹ìƽÐÐ
£¨3£©¸Ä±ä¹³ÂëÖÊÁ¿£¬²â³ö¶ÔÓ¦µÄÁ¦´«¸ÐÆ÷µÄʾÊýFºÍÕÚ¹âÌõͨ¹ý¹âµçÃŵÄʱ¼ät£¬Í¨¹ýÃèµã×÷³öÏßÐÔͼÏó£¬Ñо¿»¬¿éµÄ¼ÓËÙ¶ÈÓëÁ¦µÄ¹Øϵ£¬´¦ÀíÊý¾ÝʱӦ×÷³öͼÏ󣮣¨Ñ¡Ìî¡°t2-F¡±¡¢¡°
1
t
-F
¡±»ò¡°
1
t2
-F
¡±£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2011Äêɽ¶«Ê¡ÎĵÇÊиßÒ»ÉÏѧÆÚÆÚÄ©Ä£¿é²âÊÔÎïÀí¾í ÌâÐÍ£ºÊµÑéÌâ

ÈçͼËùʾÊÇijͬѧ̽¾¿¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿¹ØϵµÄʵÑé×°Ö᣽«Ò»Á¾Ð¡³µ·ÅÔڹ⻬µÄˮƽ°åÉÏ£¬Ð¡³µÇ°¶ËϵÉÏϸÉþ£¬ÉþµÄÁíÒ»¶Ë¿ç¹ý¶¨»¬ÂÖ¹ÒһСÅÌ£¬ÅÌÀï·ÅÊÊÁ¿µÄíÀÂ룬ÅÌÓëíÀÂëµÄ×ÜÖÊÁ¿Îªm£¬³µºó¶ËÁ¬Ò»Ö½´ø£¬´©¹ý´òµã¼ÆʱÆ÷ÏÞλ¿×£¬Ð¡³µÔ˶¯Ê±´ø¶¯Ö½´øÔ˶¯£¬Í¨¹ý´òµã¼ÆʱÆ÷¼Ç¼ÏÂС³µÔ˶¯µÄÇé¿ö¡£

¸Ãͬѧͨ¹ýÔÚС³µÉϼӼõíÀÂë¸Ä±äС³µµÄÖÊÁ¿M£¬Í¨¹ýÔÚÅÌÖÐÔö¼õíÀÂë¸Ä±äС³µËùÊܵĺÏÁ¦F£¬Ñо¿Ö½´øËã³öС³µÔ˶¯µÄ¼ÓËÙ¶Èa£¬¼¸´ÎʵÑéÊý¾Ý¼Ç¼ÈçÏÂ±í£º

´Î
1
2
3
4
5
6
7
8
M/kg
M0
M0
M0
M0
1.25
1.50
2.00
2.50
F/N
0.25
0.50
0.75
1.00
F0
F0
F0
F0
a/(m?s-2)
0.25
0.51
0.74
0.99
0.80
0.67
0.50
0.40
 
¡¾Ð¡Ìâ1¡¿Ä³Í¬Ñ§Í¨¹ý¼ÆËãµÃµ½ÉþÖеÄÀ­Á¦±í´ïʽΪ,·ÖÎö±í´ïʽ¿ÉÖª£¬ÒªÊ¹ÉþÖеÄÀ­Á¦£¨¼´À­Ð¡³µµÄÁ¦£©£¬ÒªÂú×ãµÄÌõ¼þÊǣߣߣߣߣߣߣߣߣߣߣߣߣߡ£

¡¾Ð¡Ìâ2¡¿ÔÚʵÑéÖÐΪÁË̽¾¿Ð¡³µµÄ¼ÓËÙ¶ÈÓëÁ¦ºÍÖÊÁ¿µÄ¹Øϵ£¬¸Ãͬѧ²ÉÓÃÁËÏȱ£³ÖС³µÖÊÁ¿M²»±ä£¬Ñо¿ÁíÁ½¸öÁ¿¼äµÄ¹Øϵ£¬ÕâÖÖʵÑé·½·¨½Ð×ö£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£»
¡¾Ð¡Ìâ3¡¿Í¨¹ý±íÖÐ1¡ª4ÁÐÊý¾ÝÔÚ¸ø¶¨µÄ×ø±êϵÖл­³öa-FͼÏñ£¬ÓÉͼÏñ¿ÉµÃµ½µÄ½áÂÛÊÇ£º£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£»
ͨ¹ý±íÖÐ4¡ª8ÁÐÊý¾Ý¿ÉµÃµ½µÄ½áÂÛÊÇ£º£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2011Äêɽ¶«Ê¡ÎĵÇÊиßÒ»ÉÏѧÆÚÆÚÄ©Ä£¿é²âÊÔÎïÀí¾í ÌâÐÍ£ºÊµÑéÌâ

ÈçͼËùʾÊÇijͬѧ̽¾¿¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿¹ØϵµÄʵÑé×°Ö᣽«Ò»Á¾Ð¡³µ·ÅÔڹ⻬µÄˮƽ°åÉÏ£¬Ð¡³µÇ°¶ËϵÉÏϸÉþ£¬ÉþµÄÁíÒ»¶Ë¿ç¹ý¶¨»¬ÂÖ¹ÒһСÅÌ£¬ÅÌÀï·ÅÊÊÁ¿µÄíÀÂ룬ÅÌÓëíÀÂëµÄ×ÜÖÊÁ¿Îªm£¬³µºó¶ËÁ¬Ò»Ö½´ø£¬´©¹ý´òµã¼ÆʱÆ÷ÏÞλ¿×£¬Ð¡³µÔ˶¯Ê±´ø¶¯Ö½´øÔ˶¯£¬Í¨¹ý´òµã¼ÆʱÆ÷¼Ç¼ÏÂС³µÔ˶¯µÄÇé¿ö¡£

¸Ãͬѧͨ¹ýÔÚС³µÉϼӼõíÀÂë¸Ä±äС³µµÄÖÊÁ¿M£¬Í¨¹ýÔÚÅÌÖÐÔö¼õíÀÂë¸Ä±äС³µËùÊܵĺÏÁ¦F£¬Ñо¿Ö½´øËã³öС³µÔ˶¯µÄ¼ÓËÙ¶Èa£¬¼¸´ÎʵÑéÊý¾Ý¼Ç¼ÈçÏÂ±í£º

´Î

1

2

3

4

5

6

7

8

M/kg

M0

M0

M0

M0

1.25

1.50

2.00

2.50

F/N

0.25

0.50

0.75

1.00

F0

F0

F0

F0

a/(m•s-2)

0.25

0.51

0.74

0.99

0.80

0.67

0.50

0.40

 

1.ijͬѧͨ¹ý¼ÆËãµÃµ½ÉþÖеÄÀ­Á¦±í´ïʽΪ,·ÖÎö±í´ïʽ¿ÉÖª£¬ÒªÊ¹ÉþÖеÄÀ­Á¦£¨¼´À­Ð¡³µµÄÁ¦£©£¬ÒªÂú×ãµÄÌõ¼þÊǣߣߣߣߣߣߣߣߣߣߣߣߣߡ£

2.ÔÚʵÑéÖÐΪÁË̽¾¿Ð¡³µµÄ¼ÓËÙ¶ÈÓëÁ¦ºÍÖÊÁ¿µÄ¹Øϵ£¬¸Ãͬѧ²ÉÓÃÁËÏȱ£³ÖС³µÖÊÁ¿M²»±ä£¬Ñо¿ÁíÁ½¸öÁ¿¼äµÄ¹Øϵ£¬ÕâÖÖʵÑé·½·¨½Ð×ö£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£»

3.ͨ¹ý±íÖÐ1¡ª4ÁÐÊý¾ÝÔÚ¸ø¶¨µÄ×ø±êϵÖл­³öa-FͼÏñ£¬ÓÉͼÏñ¿ÉµÃµ½µÄ½áÂÛÊÇ£º£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£»

ͨ¹ý±íÖÐ4¡ª8ÁÐÊý¾Ý¿ÉµÃµ½µÄ½áÂÛÊÇ£º£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß£ß¡£

 

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸