ÌâÄ¿ÄÚÈÝ
ÉñÆæµÄºÚ¶´Êǽü´úÒýÁ¦ÀíÂÛËùÔ¤ÑÔµÄÒ»ÖÖÌØÊâÌìÌ壬̽ѰºÚ¶´µÄ·½°¸Ö®Ò»Êǹ۲âË«ÐÇϵͳµÄÔ˶¯¹æÂÉ¡£ÌìÎÄѧ¼Ò¹Û²âºÓÍâÐÇϵÂóÕÜÂ×ÔÆʱ£¬·¢ÏÖÁËLMCX-3Ë«ÐÇϵͳ£¬ËüÓɿɼûÐÇAºÍ²»¿É¼ûµÄ°µÐÇB¹¹³É£¬ËüÃÇÖ®¼äµÄ¾àÀë±£³Ö²»±ä£¬ÈçͼËùʾ¡£ÒýÁ¦³£Á¿ÎªG£¬Óɹ۲âÄܹ»µÃµ½¿É¼ûÐÇAµÄËÙÂÊvºÍÔËÐÐÖÜÆÚ¡£
£¨1£©¿É¼ûÐÇAËùÊÜ°µÐÇBµÄÒýÁ¦FA¿ÉµÈЧΪλÓÚOµã´¦ÖÊÁ¿Îªm/µÄÐÇÌ壨ÊÓΪÖʵ㣩¶ÔËüµÄÒýÁ¦£¬ÉèAºÍBµÄÖÊÁ¿·Ö±ðΪm1¡¢m2¡£ÊÔÇóm/£¨ÓÃm1¡¢m2±íʾ£©£»
£¨2£©Çó°µÐÇBµÄÖÊÁ¿m2Óë¿É¼ûÐÇAµÄËÙÂÊv¡¢ÔËÐÐÖÜÆÚTºÍÖÊÁ¿m1Ö®¼äµÄ¹Øϵʽ£»
£¨3£©ºãÐÇÑÝ»¯µ½Ä©ÆÚ£¬Èç¹ûÆäÖÊÁ¿´óÓÚÌ«ÑôÖÊÁ¿msµÄÁ½±¶£¬£¬ÔËÐÐÖÜÆÚT£½4.7¦Ð¡Á104s£¬ÖÊÁ¿m1£½6m/s,ÊÔͨ¹ý¹ÀËãÀ´ÅжϰµÐÇBÓпÉÄÜÊǺڶ´Âð£¿
¡¡¡¡¡¡¡¡¡¡£¨G£½6.67¡Á10N2¡¤m/kg2£¬ms=2.0¡Á1030kg£©
£¨1£©ÉèA¡¢BµÄÔ²¹ìµÀ°ë¾¶·Ö±ðΪr1¡¢r2£¬ÓÉÌâÒâÖª£¬A¡¢B×öÔÈËÙÔ²ÖÜÔ˶¯µÄ½ÇËÙÏàͬ£¬ÆäΪ¦Ø¡£ÓÉÅ£¶ÙÔ˶¯Ô˶¯¶¨ÂÉ£¬ÓÐ
FA£½m1¦Ø2r1
FB£½m2¦Ø2r2
FA£½FB
ÉèA¡¢BÖ®¼äµÄ¾àÀëΪr£¬ÓÖr£½r1£«r2£¬
ÓÉÉÏÊö¸÷ʽµÃ
r£½ ¢Ù
ÓÉÍòÓÐÒýÁ¦¶¨ÂÉ£¬ÓÐ
FA£½G
½«¢Ù´úÈëµÃ
FA£½G
Áî
FA£½G
±È½Ï¿ÉµÃ
¢Ú
£¨2£©ÓÉÅ£¶ÙµÚ¶þ¶¨ÂÉ£¬ÓÐ
¢Û
ÓֿɼûÐÇAµÄ¹ìµÀ°ë¾¶
¡¡¡¡¡¡ r1£½ ¢Ü
ÓÉ¢Ú¢Û¢Üʽ¿ÉµÃ
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡
£¨3£©½«m1£½6mI´úÈë¢Ýʽ£¬µÃ
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¢Ý
´úÈëÊý¾ÝµÃ
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¢Þ
Éèm2£½nmI£¬£¨n£¾0£©£¬½«Æä´úÈë¢Þʽ£¬µÃ
¡¡¡¡¡¡¡¡¢ß
¿É¼û£¬µÄÖµËænµÄÔö´ó¶øÔö´ó£¬ÊÔÁîn=2£¬µÃ
¡¡¡¡¡¡¡¡¡¡¡¡¢à
¡¡¡¡¡¡Èôʹ¢ßʽ³ÉÁ¢£¬Ôòn±ØÐë´óÓÚ2£¬¼´°µÐÇBµÄÖÊÁ¿m2±ØÐë´óÓÚ2mI£¬Óɴ˵óö½áÂÛ£º°µÐÇBÓпÉÄÜÊǺڶ´¡£