ÌâÄ¿ÄÚÈÝ
ÈçͼËùʾ,a¡¢bÁ½ÎïÌåµÄÖÊÁ¿·Ö±ðΪm1¡¢m2£¬ÓÉÇáÖʵ¯»ÉÏàÁ¬¡£µ±ÓôóСΪFµÄºãÁ¦ÑØˮƽ·½ÏòÀ×Åa£¬Ê¹a¡¢bÒ»ÆðÑع⻬ˮƽ×ÀÃæ×öÔȼÓËÙÖ±ÏßÔ˶¯Ê±£¬µ¯»ÉÉ쳤Á¿Îªx1 ,¼ÓËٶȴóСΪa1£»µ±ÓôóСÈÔΪFµÄºãÁ¦ÑØˮƽ·½ÏòÀ×Åb£¬Ê¹a¡¢bÒ»ÆðÑع⻬ˮƽ×ÀÃæ×öÔȼÓËÙÖ±ÏßÔ˶¯Ê±£¬µ¯»ÉÉ쳤Á¿Îªx2£¬¼ÓËÙ´óСΪa2;Ôò( )
A£®Èôm1>m2Ôòa1>a2 |
B£®ÎÞÂÛm1¡¢m2¹ØϵÈçºÎ£¬¶¼ÓÐa1=a2 |
C£®Èôm1>m2£¬Ôò x1£¼x2 |
D£®ÎÞÂÛm1¡¢m2¹ØϵÈçºÎ£¬¶¼ÓÐx1=x2 |
BC
ÊÔÌâ·ÖÎö£º¶Ô×óͼ¶øÑÔ£¬¶ÔÓÚÓÒͼ¶øÑÔ£¬·¢ÏÖÁ½Õß¼ÓËÙ¶ÈÒ»Ñù£¬ËùÒÔB¶Ô¡£Èç¹ûÈôm1>m2£¬Ôòx1£¼x2£¬ËµÃ÷C¶Ô
µãÆÀ£º±¾Ì⿼²éÁËÕûÌå·¨Óë¸ôÀë·¨ÔÚÎïÀíÎÊÌâÉϵÄÔËÓã¬ÏÈÓÃÕûÌå·¨Çó³ö¼ÓËٶȣ¬È»ºóÔÙ¸ôÀ뿪ÇóÄÚÁ¦¡£
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿