ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿Ä³¹¤ÈËÀûÓÃÉý½µ»ú½«»õÎï´Óһ¥ÊúÖ±ÔËË͵½ÎåÂ¥¡£Éè´Ë¹ý³ÌÖлõÎïËæÉý½µ»úÒ»ÆðÏÈ×öÔȼÓËÙÖ±ÏßÔ˶¯£¬ÔÙ×öÔÈËÙÔ˶¯£¬×îºó×öÔȼõËÙÖ±ÏßÔ˶¯µ½Í£Ö¹¡£Ôò
A.»õÎïÔÚÉý½µ»úÖÐÒ»Ö±´¦ÓÚ³¬ÖØ״̬
B.»õÎïÔÚÉý½µ»úÖÐÒ»Ö±´¦ÓÚʧÖØ״̬
C.Éý½µ»úÔȼõËÙÉÏÉý¹ý³ÌÖУ¬»õÎï¶Ôµ×°åµÄѹÁ¦Ð¡ÓÚ»õÎï×ÔÉíµÄÖØÁ¦
D.Éý½µ»úÔȼÓËÙÉÏÉý¹ý³ÌÖУ¬»õÎï¶Ôµ×°åµÄѹÁ¦´óÓÚµ×°å¶Ô»õÎïµÄÖ§³ÖÁ¦
¡¾´ð°¸¡¿C
¡¾½âÎö¡¿
AB£®Éý½µ»úÔÚÔȼÓËÙÉÏÉý½×¶Î£¬¼ÓËÙ¶ÈÏòÉÏ£¬Ôò»õÎïÔÚÉý½µ»úÖд¦ÓÚ³¬ÖØ״̬£»Éý½µ»úÔÚÔȼõËÙÉÏÉý½×¶Î£¬¼ÓËÙ¶ÈÏòÏ£¬Ôò»õÎïÔÚÉý½µ»úÖд¦ÓÚʧÖØ״̬£»Ñ¡ÏîAB´íÎó¡£
C£®Éý½µ»úÔȼõËÙÉÏÉý¹ý³ÌÖУ¬¸ù¾Ýmg-FN=ma¿ÉÖª£¬»õÎï¶Ôµ×°åµÄѹÁ¦FNСÓÚ»õÎï×ÔÉíµÄÖØÁ¦mg£¬Ñ¡ÏîCÕýÈ·£»
D£®»õÎï¶Ôµ×°åµÄѹÁ¦Óëµ×°å¶Ô»õÎïµÄÖ§³ÖÁ¦ÊÇÒ»¶ÔÏ໥×÷ÓÃÁ¦£¬×ÜÊÇÏàµÈµÄ£¬Ñ¡ÏîD´íÎó¡£
![](http://thumb2018.1010pic.com/images/loading.gif)
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿