£¨2013?¹ãÖÝ£©Ð¡´Ï¹À²âÊé°üÖØÁ¿£¬ÏÖÓÐϸÉþ¡¢ÖØÁ¿¿ÉºöÂԵij¤Ó²°ô¡¢¿Ì¶È³ß¡¢Ò»Æ¿ 600mL µÄË®£¬¿ÕÆ¿µÄÖÊÁ¿ºöÂÔ²»¼Æ£®
£¨1£©ÕâÆ¿Ë®µÄÖÊÁ¿ m=
0.6kg
0.6kg
£¬ÖØÁ¿ G=
6N
6N
£®£¨1mL=1cm3£¬Ë®µÄÃܶÈÊÇ1g/cm3£¬g=10N/kg£©
£¨2£©ÊÖÌáϸÉþ£¬Èçͼ£¬ÈôÓ²°ôˮƽ¾²Ö¹£®ÔÚͼÖбêʾÐèÒª²âÁ¿µÄ³¤¶È£®
£¨3£©Êé°üµÄÖØÁ¿Ô¼Îª
L2
L1
?6N
L2
L1
?6N
£¨ÓÃÉÏÊöÇóµÃ¼°Ëù²âµÃµÄÎïÀíÁ¿·ûºÅ±êʾ£©
£¨4£©Èô²âÁ¿ÖÐÓ²°ô¹ÒÊé°üÒ»¶ËϳÁ£¬ÄãÓÐʲô°ì·¨ÈÃÓ²°ô»Ö¸´Ë®Æ½Æ½ºâ£¿
°ÑÊé°üÏòÓÒÒƶ¯Ò»µã£¨»ò°ÑϸÉþÏò×óÒƶ¯Ò»µã£©
°ÑÊé°üÏòÓÒÒƶ¯Ò»µã£¨»ò°ÑϸÉþÏò×óÒƶ¯Ò»µã£©
£®
·ÖÎö£º£¨1£©¸ù¾Ým=¦ÑV¼ÆËã³öË®µÄÖÊÁ¿£¬¸ù¾ÝG=mg¼ÆËã³öÆäÖØÁ¦£»
£¨2£©±ê³öÁ½±ßÁ¦±ÛµÄ´óС£¬Ï¸Éþ´¦ÎªÖ§µã£»
£¨3£©¹À¼ÆÊé°üºÍˮƿµÄÁ¦±ÛÖ®¼äµÄ¹Øϵ£¬¸ù¾Ý¹«Ê½F1L1=F2L2½øÐÐÅжϣ»
£¨4£©µ±Êé°üÒ»¶ËϳÁ£¬ËµÃ÷Êé°üÖØÁ¦ÓëÆäÁ¦±ÛµÄ³Ë»ý¹ý´ó£¬Òò´Ë¼õСÊé°üµÄÖØÁ¦»òÕß¼õСÆäÁ¦±Û£®
½â´ð£º½â£º£¨1£©Ë®µÄÖÊÁ¿m=¦ÑË®V=1g/cm3¡Á600cm3=600g=0.6kg£»
G=mg=0.6kg¡Á10N/kg=6N£»
£¨2£©ÒªµÃ³öÊé°üµÄÖØÁ¦£¬»¹Ðè²â³öÊé°ü¼°Ë®Æ¿¶Ô¸Ü¸ËÁ¦µÄÁ¦±Û£¬ÈçͼËùʾ£º
£»
£¨3£©¸ù¾Ý¸Ü¸ËµÄƽºâÌõ¼þ£º
G°üL1=GÆ¿L2
ÔòG°ü=
GÆ¿L2
L1
=
L2
L1
?6N

£¨4£©Èô°üÒ»¶ËϳÁ£¬Ôò˵Ã÷°ü¶Ô¸Ü¸ËµÄÁ¦ÓëÆäÁ¦±ÛµÄ³Ë»ý´óÓÚÆ¿¶Ô¸Ü¸ËµÄÁ¦ÓëÆäÁ¦±ÛµÄ³Ë»ý£¬ËùÒÔÓ¦¸Ã¼õСL1£¬½«Ï¸ÉþÏò×óÒƶ¯»ò°ÑÊé°üÏòÓÒÒƶ¯Ò»µã£®
¹Ê´ð°¸Îª£º£¨1£©0.6kg£»6N£»£¨2£©¼ûÉÏͼ£»£¨3£©
L2
L1
?6N
£»£¨4£©°ÑÊé°üÏòÓÒÒƶ¯Ò»µã£¨»ò°ÑϸÉþÏò×óÒƶ¯Ò»µã£©£®
µãÆÀ£ºÕâÊÇÒ»µÀ¸Ü¸ËÓëÃܶȵÄ×ÛºÏÌ⣬¿¼²éÁËѧÉú¶Ô¸Ü¸ËƽºâÌõ¼þµÄÀí½âÒÔ¼°ÃܶÈÓëÖÊÁ¿¹ØϵµÄ¼òµ¥¼ÆË㣮ÔÚÌîдÖÊÁ¿ÓëÖØÁ¿Ê±×¢ÒâдÉϵ¥Î»£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2013?¹ãÖÝ£©ÈçͼÊÇijÎïÖÊÓÉҺ̬±äΪ¹Ì̬¹ý³ÌζÈËæʱ¼ä±ä»¯µÄͼÏó£¬ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2013?¹ãÖÝ£©ºöÂÔÒ»ÇÐ×èÁ¦£¬Ô­¾²Ö¹ÔÚˮƽÃæÉϵĴóʯͷ±»ÁíÒ»¿éСʯͷˮƽײ»÷£¬´óʯͷµÄÔ˶¯Çé¿öÊÇ£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2013?¹ãÖÝ£©£¨1£©ÔÚijµØ×ö̽¾¿Ë®·ÐÌÚʵÑ飬װÖÃÈçͼ 1Ëùʾ£¬¼ÓÈÈÒ»¶Îʱ¼ä£¬ÉÕ±­ÄÚµÄË®·­ÌÚ£¬ÓдóÁ¿µÄÆøÅÝÉÏÉý£¬±ä´ó£¬µ½Ë®ÃæÆÆÁÑ£®´ËʱͼÖÐζȼƵÄʾÊýΪ
96¡æ
96¡æ
£®ÉÕ±­ÄÚµÄË®ÊÇ·ñÒÑ·ÐÌÚ£¿
ÊÇ
ÊÇ
£®ÅжϵÄÒÀ¾ÝÊÇ
ÕâʱÓдóÁ¿µÄÆøÅÝÉú³É£¬²¢ÇÒÔÚÉÏÉý¹ý³ÌÖУ¬Ìå»ýÖð½¥±ä´ó£¬µ½Ë®ÃæÆÆÁÑ£¬ÕâÊÇË®·ÐÌÚʱµÄÏÖÏó
ÕâʱÓдóÁ¿µÄÆøÅÝÉú³É£¬²¢ÇÒÔÚÉÏÉý¹ý³ÌÖУ¬Ìå»ýÖð½¥±ä´ó£¬µ½Ë®ÃæÆÆÁÑ£¬ÕâÊÇË®·ÐÌÚʱµÄÏÖÏó
£®
£¨2£©º£°ÎÔ½¸ß£¬´óÆøѹԽС£¬ÓÃͬһÌ××°ÖòâµÃ²»Í¬Â¥²ãµÄ´óÆøѹֵÈçͼ 2 ¼×¡¢ÒÒËùʾ£¬ÒÒͼ´óÆøѹֵµÈÓÚ
753
753
mm ¸ßµÄË®ÒøÖùËù²úÉúµÄѹǿ£®ÆäÖÐ
ÒÒ
ÒÒ
ͼÊÇ·ÅÔڽϸßÂ¥²ãʱµÄÇé¿ö£®

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

£¨2013?¹ãÖÝ£©£¨1£©µÆÅÝL1¡¢L2¹æ¸ñÏàͬ£¬°´Í¼1Ëùʾµç·ͼÁ¬½Óͼ2µÄµç·£¬ÒªÇ󻬶¯±ä×èÆ÷½ÓÈëµç·Öеĵç×èÖµ×î´ó
£¨2£©ÕýÈ·Á¬½Óµç·ºó£¬±ÕºÏ¿ª¹Ø£¬¹Û²ì²»µ½Á½µÆ·¢¹â£¬½«Ò»¸ùµ¼Ïß½ÓÔÚL1Á½¶Ëʱ£¬¹Û²ìµ½L2»á·¢¹â£¬¾Ý´Ë²ÂÏëÓпÉÄÜÊÇÁ½µÆµÄʵ¼Êµç¹¦ÂÊ̫С£¬Ò²¿ÉÄÜÊÇL1¶Ï·£®¶óҪд³öÈ·¶¨ÉÏÊöÄÄÒ»¸ö²ÂÏëÕýÈ·µÄ¼ì²â¹ý³Ì£®
¼ì²â·½·¨ ¹Û²ìµ½µÄÏÖÏó µÃ³öµÄ½áÂÛ
ÓÃÒ»¸ùµ¼Ïß½ÓÔÚL2Á½¶Ë
ÓÃÒ»¸ùµ¼Ïß½ÓÔÚL2Á½¶Ë
L1ÁÁ/L1²»ÁÁ
L1ÁÁ/L1²»ÁÁ
Á½µÆµÄʵ¼Êµç¹¦ÂÊ̫С/L1¶Ï·
Á½µÆµÄʵ¼Êµç¹¦ÂÊ̫С/L1¶Ï·
£¨3£©¸ü»»Ôª¼þºó£¬Á½µÆ·¢¹â£¬Ð¡Ã÷ÓÃÒ»¸öµçѹ±í·Ö±ð²âͼ2µç·ÖÐÁ½µÆµçѹ£ºÈçͼ3Ëùʾ£¬½«µçѹ±íÕýÈ·½ÓÔÚL2Á½¶Ë£¨µç·µÄÆäËû²¿·ÖûÓл­³ö£©£¬µçѹ±íʾÊýÈçͼ4Ëùʾ£¬ÔòL2Á½¶ËµçѹΪ
1.3
1.3
V£®ÎªÁ˲âL1µÄµçѹ£¬°Ñͼ3Öеĵ¼ÏßMµÄ×ó¶Ë´Óa½ÓÏßÖù¸Ä½Óµ½b½ÓÏßÖù£®ÕâÑùÄܲâ³öL1µÄµçѹÂð£¿
²»ÄÜ
²»ÄÜ
£®Ô­ÒòÊÇ£º
Ö±½Ó¸Ä½Óµ½b½ÓÏßÖù£¬µçѹ±íµÄÕý¸º½ÓÏßÖù½Ó·´ÁË
Ö±½Ó¸Ä½Óµ½b½ÓÏßÖù£¬µçѹ±íµÄÕý¸º½ÓÏßÖù½Ó·´ÁË
£®

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸