ÔÚ¹ú¼Êµ¥Î»ÖÆÖУ¬¿âÂض¨ÂÉд³ÉF=k
q1q2
r2
£¬Ê½Öо²µçÁ¦³£Á¿k=8.98¡Á110N?m2?C-2£¬µçºÉÁ¿q1ºÍq2µÄµ¥Î»¶¼ÊÇ¿âÂØ£¬¾àÀërµÄµ¥Î»ÊÇÃ×£¬×÷ÓÃÁ¦FµÄµ¥Î»ÊÇÅ££¨¶Ù£©£¬Èô°Ñ¿âÂض¨ÂÉд³ÉF=
q1q2
r2
£¬Ê½ÖÐrµÄµ¥Î»ÊÇÃ×£¬FµÄµ¥Î»ÊÇÅ££¨¶Ù£©£¬ÓÉ´Ë¿ÉÒÔ¶¨ÒåqµÄÒ»¸öе¥Î»£¬ÓÃÃס¢Ç§¿Ë¡¢Ãë±íʾʱΪ£¨¡¡¡¡£©
·ÖÎö£ºÎïÀíÁ¿Ö®¼äµÄ¹ØϵʽÍƵ½³öÀ´µÄÎïÀíÁ¿µÄµ¥Î»½Ð×öµ¼³öµ¥Î»£®¸ù¾Ý±í´ïʽ±íʾ³öËùÒªÇó½âµÃÎïÀíÁ¿£¬²¢¸ù¾ÝÎïÀíÁ¿µÄµ¥Î»Çó³ö¶¨ÒåqµÄÒ»¸öе¥Î»£®
½â´ð£º½â£ºÈô°Ñ¿âÂض¨ÂÉд³ÉF=
q1q2
r2
£¬
Ôòq1q2=Fr2
¶ø1N=1kg?m/s2£¬
ËùÒÔ¶¨ÒåqµÄÒ»¸öе¥Î»ÊÇkg
1
2
?m
3
2
?s-1£®
¹ÊÑ¡A£®
µãÆÀ£ºµ¥Î»ÖÆ°üÀ¨»ù±¾µ¥Î»ºÍµ¼³öµ¥Î»£¬¹æ¶¨µÄ»ù±¾Á¿µÄµ¥Î»½Ð»ù±¾µ¥Î»£¬ÓÉÎïÀí¹«Ê½ÍƵ¼³öµÄ½Ð×öµ¼³öµ¥Î»£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºµ¥Ñ¡Ìâ

ÔÚ¹ú¼Êµ¥Î»ÖÆÖУ¬¿âÂض¨ÂÉд³ÉF=k
q1q2
r2
£¬Ê½Öо²µçÁ¦³£Á¿k=8.98¡Á110N?m2?C-2£¬µçºÉÁ¿q1ºÍq2µÄµ¥Î»¶¼ÊÇ¿âÂØ£¬¾àÀërµÄµ¥Î»ÊÇÃ×£¬×÷ÓÃÁ¦FµÄµ¥Î»ÊÇÅ££¨¶Ù£©£¬Èô°Ñ¿âÂض¨ÂÉд³ÉF=
q1q2
r2
£¬Ê½ÖÐrµÄµ¥Î»ÊÇÃ×£¬FµÄµ¥Î»ÊÇÅ££¨¶Ù£©£¬ÓÉ´Ë¿ÉÒÔ¶¨ÒåqµÄÒ»¸öе¥Î»£¬ÓÃÃס¢Ç§¿Ë¡¢Ãë±íʾʱΪ£¨¡¡¡¡£©
A£®kg
1
2
?m
3
2
?s-1
B£®kg2?m3?s
C£®kg
1
2
?m
3
2
?s
D£®kg2?m
2
3
?s

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º¡¶µÚ1Õ ¾²µç³¡¡·2011Äêµ¥Ôª²âÊÔ¾í£¨³É²Å֮·£©£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

ÔÚ¹ú¼Êµ¥Î»ÖÆÖУ¬¿âÂض¨ÂÉд³ÉF=k£¬Ê½Öо²µçÁ¦³£Á¿k=8.98×110N?m2?C-2£¬µçºÉÁ¿q1ºÍq2µÄµ¥Î»¶¼ÊÇ¿âÂØ£¬¾àÀërµÄµ¥Î»ÊÇÃ×£¬×÷ÓÃÁ¦FµÄµ¥Î»ÊÇÅ££¨¶Ù£©£¬Èô°Ñ¿âÂض¨ÂÉд³ÉF=£¬Ê½ÖÐrµÄµ¥Î»ÊÇÃ×£¬FµÄµ¥Î»ÊÇÅ££¨¶Ù£©£¬ÓÉ´Ë¿ÉÒÔ¶¨ÒåqµÄÒ»¸öе¥Î»£¬ÓÃÃס¢Ç§¿Ë¡¢Ãë±íʾʱΪ£¨ £©
A£®kg?m?s-1
B£®kg2?m3?s
C£®kg?m?s
D£®kg2?m?s

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨5·Ö£©ÔÚ¹ú¼Êµ¥Î»ÖÆÖУ¬¿âÂض¨ÂÉд³É£¬Ê½Öо²µçÁ¦³£Á¿£¬µçºÉÁ¿ºÍµÄµ¥Î»¶¼ÊÇ¿âÂØ£¬¾àÀëµÄµ¥Î»ÊÇÃ×£¬×÷ÓÃÁ¦µÄµ¥Î»ÊÇÅ£¶Ù¡£Èô°Ñ¿âÂض¨ÂÉд³É¸ü¼ò½àµÄÐÎʽ£¬Ê½ÖоàÀëµÄµ¥Î»ÊÇÃ×£¬×÷ÓÃÁ¦FµÄµ¥Î»ÊÇÅ£¶Ù¡£Èô°Ñ¿âÂض¨ÂÉд³É¸ü¼ò½àµÄÐÎʽ£¬Ê½ÖоàÀëµÄµ¥Î»ÊÇÃ×£¬×÷ÓÃÁ¦µÄµ¥Î»ÊÇÅ£¶Ù£¬ÓÉ´Ëʽ¿ÉÕâÒåÒ»ÖÖµçºÉÁ¿µÄе¥Î»¡£µ±ÓÃÃס¢Ç§¿Ë¡¢Ãë±íʾ´Ëе¥Î»Ê±£¬µçºÉе¥Î»=                £»Ðµ¥Î»Óë¿âÂصĹØϵΪ1е¥Î»=               C¡£

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÔÚ¹ú¼Êµ¥Î»ÖÆÖУ¬¿âÂض¨ÂÉд³ÉF£½k£¬Ê½Öо²µçÁ¦³£Á¿k£½8.98¡Á109N¡¤m2¡¤C£­2£¬µçºÉÁ¿q1ºÍq2µÄµ¥Î»¶¼ÊÇ¿âÂØ£¬¾àÀërµÄµ¥Î»ÊÇÃ×£¬×÷ÓÃÁ¦FµÄµ¥Î»ÊÇÅ£ (¶Ù)£¬Èô°Ñ¿âÂض¨ÂÉд³ÉF£½£¬Ê½ÖÐrµÄµ¥Î»ÊÇÃ×£¬FµÄµ¥Î»ÊÇÅ£(¶Ù)£¬ÓÉ´Ë¿ÉÒÔ¶¨ÒåqµÄÒ»¸öе¥Î»£¬ÓÃÃס¢Ç§¿Ë¡¢Ãë±íʾʱΪ

A£®¡¡¡¡¡¡     B£®kg2¡¤m3¡¤s     C£®  D£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸