ÌâÄ¿ÄÚÈÝ
ÈçͼËùʾ£¬ÖÊÁ¿Îªm1µÄľ¿éÊܵ½ÏòÓÒµÄÀÁ¦FµÄ×÷ÓÃÑØÖÊÁ¿Îªm2µÄ³¤Ä¾°åÏòÓÒ»¬ÐУ¬³¤Ä¾°å±£³Ö¾²Ö¹×´Ì¬£®ÒÑ֪ľ¿éÓ볤ľ°å¼äµÄ¶¯Ä¦²ÁÒòÊýΪ¦Ì1£¬³¤Ä¾°åÓëµØÃæ¼äµÄ¶¯Ä¦²ÁÒòÊýΪ¦Ì2£¬Ôò
A. ³¤Ä¾°åÊܵ½µØÃæµÄĦ²ÁÁ¦´óСһ¶¨Îª¦Ì2(m1+m2)g
B. ³¤Ä¾°åÊܵ½µØÃæµÄĦ²ÁÁ¦´óСһ¶¨Îª¦Ì1m1g
C. Èô¸Ä±äFµÄ´óС£¬µ±F£¾¦Ì2(m1+m2)gʱ£¬³¤Ä¾°å½«¿ªÊ¼Ô˶¯
D. ÎÞÂÛÔõÑù¸Ä±äFµÄ´óС£¬³¤Ä¾°å¶¼²»¿ÉÄÜÔ˶¯
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿