ÌâÄ¿ÄÚÈÝ

18¡¢2008Äê8ÔÂ8ÈÕµÚ¶þÊ®¾Å½ìÏļ¾°ÂÔ˻ὫÔÚÎÒ¹ú±±¾©ÕÙ¿ª£®
£¨1£©°ÂÔËÏéÔÆ»ð¾æÕýÔÚÉñÖÝ´óµØ´«µÝ£®»ð¾æ´«µÝʱ£¬ÊÖ³Ö»ð¾æ±¼ÅܵĻð¾æÊÖÏà¶ÔÓÚ²¢¼çÇ°½øµÄ»¤ÅܶÓÔ±ÊÇ
¾²Ö¹
µÄ£¬Ïà¶ÔÓÚÕ¾Á¢ÔÚ½ÖµÀÁ½ÅÔ¼ÓÓÍÖúÍþµÄ¹ÛÖÚÊÇ
Ô˶¯
µÄ£®
£¨2£©ÈçͼËùʾ£¬ÊÇÈüͧÏîÄ¿µÄ±ÈÈüÇé¾°£®ÈüͧµÄ½°ÊÇÒ»¸ö
·ÑÁ¦
¸Ü¸Ë£¨Ìî¡°Ê¡Á¦¡±¡¢¡°·ÑÁ¦¡±»ò¡°µÈ±Û¡±£©£¬Ô˶¯Ô±ÓÃÁ¦Ïòºó»®Ë®£¬ÈüͧÔòÏòÇ°Ô˶¯£¬Ê¹ÈüͧÏòÇ°Ô˶¯µÄÁ¦µÄÊ©Á¦ÎïÌåÊÇ
Ë®
£®¼ÙÈçÔ˶¯Ô±ºÍÈüͧµÄ×ÜÖÊÁ¿Îª700kg£¬ÄÇôˮ¶ÔÈüͧ²úÉúµÄ¸¡Á¦´óСΪ
7000
N£®£¨gÈ¡10N/kg£©
·ÖÎö£º£¨1£©½â´ð´ËÌâµÄ¹Ø¼üÊÇ¿´±»Ñо¿µÄÎïÌåÓëËùÑ¡µÄ±ê×¼£¬¼´²ÎÕÕÎïÖ®¼äµÄÏà¶ÔλÖÃÊÇ·ñ·¢ÉúÁ˸ı䣬Èç¹û·¢Éú¸Ä±ä£¬ÔòÎïÌåÊÇÔ˶¯µÄ£»Èç¹ûδ·¢Éú±ä»¯£¬ÔòÎïÌåÊǾ²Ö¹µÄ£®
£¨2£©È·¶¨¸Ü¸ËµÄ·ÖÀà¹Ø¼ü¿´¶¯Á¦±ÛºÍ×èÁ¦±ÛµÄ´óС£¬ÈüͧµÄ½°ÊÇÒ»¸ö¶¯Á¦±ÛСÓÚ×èÁ¦±ÛµÄ¸Ü¸Ë£¬ËùÒÔÊÇÒ»¸ö·ÑÁ¦¸Ü¸Ë£»
¸ù¾ÝÎïÌå¼äÁ¦µÄ×÷ÓÃÊÇÏ໥µÄ£¬Ô˶¯Ô±ÓÃÁ¦Ïòºó»®Ë®£¬Ë®¾Í¸øÈüͧһ¸öÏòÇ°µÄÁ¦£»
¸ù¾ÝÎïÌåµÄ¸¡³ÁÌõ¼þ¿ÉÖª£¬ÈüͧƯ¸¡£¬ËùÒÔF¸¡=G£¬Òò´ËÖ»ÒªÇó³öÈüͧµÄ×ÜÖØÁ¦¼´¿É£®
½â´ð£º½â£º£¨1£©Ô˶¯ÊǾø¶ÔµÄ£¬¾²Ö¹ÊÇÏà¶ÔµÄ£®»ð¾æ´«µÝʱ£¬ÊÖ³Ö»ð¾æ±¼ÅܵĻð¾æÊÖÓ뻤ÅܶÓÔ±Ö®¼äµÄλÖÃûÓз¢Éú±ä»¯£¬ËùÒÔËûÊǾ²Ö¹µÄ£»µ«Ïà¶ÔÓÚÕ¾Á¢ÔÚ½ÖµÀÁ½ÅÔ¼ÓÓÍÖúÍþµÄ¹ÛÖÚÀ´Ëµ£¬ËûÃÇÖ®¼äµÄλÖ÷¢ÉúÁ˱仯£¬ËùÒÔËûÊÇÔ˶¯µÄ£®
£¨2£©ÒòΪ»®´¬Ê±£¬ÈüͧµÄ½°ÊÇÒ»¸ö¶¯Á¦±ÛСÓÚ×èÁ¦±ÛµÄ¸Ü¸Ë£¬ËùÒÔÊÇÒ»¸ö·ÑÁ¦¸Ü¸Ë£»
ÒòΪÎïÌå¼äÁ¦µÄ×÷ÓÃÊÇÏ໥µÄ£¬Ô˶¯Ô±ÓÃÁ¦Ïòºó»®Ë®£¬Ë®¾Í¸øÈüͧʩ¼ÓÒ»¸öÏòÇ°µÄÁ¦£¬ËùÒÔÈüͧÔòÏòÇ°Ô˶¯£®
F¸¡=G=m×Üg=700kg¡Á10N/kg=7000N£®
¹Ê´ð°¸Îª£º¾²Ö¹£»Ô˶¯£»·ÑÁ¦£»Ë®£»7000N£®
µãÆÀ£º´ËÌâÉæ¼°µ½¸Ü¸ËµÄ·ÖÀ࣬¸¡Á¦´óСµÄ¼ÆË㣬Ô˶¯ºÍ¾²Ö¹µÄÏà¶ÔÐÔ£¬Á¦µÄ×÷ÓõÄÏ໥ÐÔµÈ֪ʶµã£¬×ÛºÏÐÔºÜÇ¿£¬ÓÐÒ»¶¨µÄ°Î¸ßÄѶȣ¬ÊôÓÚÖеµÌ⣮
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
2008Äê8ÔÂ8ÈÕ20ʱÕû£¬µÚ29½ì±±¾©°ÂÔË»áÔÚ»¶Àֵĺ£Ñó--¡°Äñ³²¡±À­¿ªá¡Ä»£¬ÊµÏÖÁ˹úÈË°ÙÄêÃÎÏëÒ²ÎüÒýÁËÊÀ½çµÄÄ¿¹â£®Ò²³¨¿ªÖйú´óÃÅÏòÊÀ½çչʾ×ÅÖйúµÄ÷ÈÁ¦
£¨1£©¿ªÄ»Ê½µ±Íí£¬±±¾©È´Óöµ½ÁËÔã¸âµÄÒõÓêÌìÆø£¬ÎªÁ˱£Ö¤ÈËÃÇÒÔÁ¼ºÃµÄÐÄÇéÀ´¹Û¿´¿ªÄ»Ê½£¬ÓÚÊÇÈËÃÇÏò¿ÕÖз¢ÉäÁË¡°ÇýÓ굯¡±£¨Èçͼ¼×£©ÈÃÔƲãÖеÄСˮµÎ¸½ÔÚÅÚµ¯±¬Õ¨ºóµÄ¿ÅÁ£É϶ø½µÂäÏÂÀ´´Ó¶ø°ÑÓêË®µ²ÔÚ¡°Äñ³²¡±Ö®Í⣬ÆäÖÐÔƲãÊÇÓÉÓÚ¿ÕÆøÖеÄË®ÕôÆø
Òº»¯
Òº»¯
Ðγɵģ¬ÏÂÓêºó»á¸Ðµ½ÌìÆøÊæÊÊÁ¹Ë¬£¬ÊÇÒòΪµØÃæÉϵÄÓê
Õô·¢ÎüÈÈ
Õô·¢ÎüÈÈ
£®
£¨2£©ÎÒÃÇƽʱ¾çÔº¹Û¿´Ñݳöʱ£¬Èç¹ûÇ°ÃæµÄ¹ÛÖÚÕ¾ÆðÀ´µÄ»°£¬¾Í»áµ²×¡ºóÃæµÄ¹ÛÖÚ¶ø¿´²»µ½Îę̀ÉÏÑÝÔ±µÄ±íÑÝ£®ÕâÊÇÒòΪ¹âµÄ
Ö±Ïß´«²¥
Ö±Ïß´«²¥
µÄÔµ¹Ê£®¡°Äñ³²¡±¹ÛÖÚϯµÄÓвã´Î½á¹¹µÄ×ùÒΠ£¨ÈçͼÒÒ£©¾Í½â¾öÁËÕâ¸öÀ§ÈÅ£®ÏÖÔÚ°ÂÔË»áÖ÷ÌâÇú¡¶you and me¡·¶¼ÒѾ­¼ÒÓ÷»§Ïþ£¬µ«ÊÇƾ½èÉùÒôÒ²ÄÜÅжÏÊÇÄÇλÒÕÊõ¼Ò£¬ÕâÓÖÊǸù¾Ý
ÒôÉ«
ÒôÉ«
Åжϵģ®¼ÙÈçÎę̀ÉϵÄÒôÏìÉùÒô·ÅµÃ¹ý´óµÄ»°£¬ÎÒÃǵÄÐÄÔà»á¸Ðµ½·Ç³£²»Êæ·þ£¬Õâ˵Ã÷ÉùÒôÄÜ´«µÝ
ÄÜÁ¿
ÄÜÁ¿
£®
£¨3£©ÎÒÃÇÔÚ¿ªÄ»Ê½ÖÐʱ³£»á¿´µ½Îå²ÊçÍ·×µÄÑÌ»¨£¨Èçͼ±û£©£®¿ÉÔÚ±±¾©Ê±´ú¹ã³¡µÄСÓêͬѧ×ÜÊÇÏÈ¿´µ½ÕÀ·ÅµÄÑÌ»¨£¬È»ºó²ÅÌýµ½±¬Õ¨Éù£¬ÕâÊÇÒòΪ
¹âµÄ´«²¥ËٶȴóÓÚÉùµÄ´«²¥ËÙ¶È
¹âµÄ´«²¥ËٶȴóÓÚÉùµÄ´«²¥ËÙ¶È
£¬Ð¡ÓêͬѧÓÉ´ËÏë³öÁËÒ»ÖÖ¼òµ¥µÄ·½·¨´ÖÂÔµÄËã³öÁËËùÔÚµÄʱ´ú¹ã³¡µ½¡°Äñ³²¡±µÄÖ±Ïß¾àÀ룬ÇëÄã°ïËûд³öËûµÄÉè¼Æ·½°¸£®
Éè¼Æ·½°¸£º
¢Ù´Ó¿´µ½ÑÌ»¨¾Í¿ªÊ¼¼Æʱ£¬Ìýµ½±¬Õ¨Éù¾ÍÍ£Ö¹¼Æʱ£¬Çó³öÕâ¸öʱ¼ä¶Î
¢Ù´Ó¿´µ½ÑÌ»¨¾Í¿ªÊ¼¼Æʱ£¬Ìýµ½±¬Õ¨Éù¾ÍÍ£Ö¹¼Æʱ£¬Çó³öÕâ¸öʱ¼ä¶Î
£»
¢ÚÓÃÉùÒôÔÚ¿ÕÆøÖеĴ«²¥ËٶȳËÒÔ²â³öµÄʱ¼ä¾ÍÊÇʱ´ú¹ã³¡µ½¡°Äñ³²¡±µÄÖ±Ïß¾àÀë
¢ÚÓÃÉùÒôÔÚ¿ÕÆøÖеĴ«²¥ËٶȳËÒÔ²â³öµÄʱ¼ä¾ÍÊÇʱ´ú¹ã³¡µ½¡°Äñ³²¡±µÄÖ±Ïß¾àÀë
£®
2008Äê8ÔÂ8ÈÕ20ʱÕû£¬µÚ29½ì±±¾©°ÂÔË»á³ÉΪ»¶Àֵĺ£Ñó--¡°Äñ³²¡±À­¿ªá¡Ä»£¬ÊµÏÖÁ˹úÈË°ÙÄêÃÎÏ룬ҲÎüÒýÁËÊÀ½çÄ¿¹â£®Ò²³¨¿ªÖйú´óÃÅÏòÊÀ½çչʾ×ÅÖйúµÄ÷ÈÁ¦£®
£¨1£©±±¾©°ÂÔ˻ῪĻʽÉÏÉùÊƺƴóµÄ¡°»÷ó¾¶ø¸è¡±¾«²Ê¾øÂ×£¬ÈçͼËùʾ£¬ó¾ÉùÊÇÓÉÓÚó¾Ãæ
Õñ¶¯
Õñ¶¯
²úÉúµÄ£¬È»ºóͨ¹ý
¿ÕÆø
¿ÕÆø
´«²¥µ½ÏÖ³¡¹ÛÖÚ¶ú¶äµÄ£®
£¨2£©ÎÒÃÇƽʱ¾çÔº¹Û¿´Ñݳöʱ£¬Èç¹ûÇ°ÃæµÄ¹ÛÖÚÕ¾ÆðÀ´µÄ»°£¬¾Í»áµ²×¡ºóÃæµÄ¹ÛÖÚ¶ø¿´²»µ½Îę̀ÉÏÑÝÔ±µÄ±íÑÝ£®ÕâÊÇÒòΪ¹âµÄ
Ö±Ïß´«²¥
Ö±Ïß´«²¥
Ôµ¹Ê£®¡°Äñ³²¡±¹ÛÖÚϯµÄÓвã´Î½á¹¹µÄ×ùÒξͽâ¾öÁËÕâ¸öÀ§ÈÅ£®ÏÖÔÚ£¬°ÂÔË»áÖ÷ÌâÇú¡¶you and me¡·¶¼ÒѾ­¼ÒÓ÷»§Ïþ£¬µ«ÊÇƾ½èÉùÒôÒ²ÄÜÅжÏÊÇÄÇλÒÕÊõ¼Ò£¬ÕâÓÖÊǸù¾Ý
ÒôÉ«
ÒôÉ«
Åжϵģ®¼ÙÈçÎę̀ÉϵÄÒôÏìÉùÒô·ÅµÃ¹ý´óµÄ»°£¬ÎÒÃǵÄÐÄÔà»á¸Ðµ½·Ç³£²»Êæ·þ£¬Õâ˵Ã÷ÉùÒôÄÜ´«µÝ
ÄÜÁ¿
ÄÜÁ¿
£®
£¨3£©ÎÒÃÇÔÚ¿ªÄ»Ê½ÖÐʱ³£»á¿´µ½Îå²ÊçÍ·×µÄÑÌ»¨£¬¿ÉÔÚ±±¾©Ê±´ú¹ã³¡µÄСÓêͬѧ×ÜÊÇÏÈ¿´µ½ÕÀ·ÅµÄÑÌ»¨£¬È»ºó²ÅÌýµ½±¬Õ¨Éù£¬ÕâÊÇÒòΪ
¹âµÄ´«²¥ËٶȴóÓÚÉùµÄ´«²¥ËÙ¶È
¹âµÄ´«²¥ËٶȴóÓÚÉùµÄ´«²¥ËÙ¶È
£®
£¨4£©Ð¡ÓêͬѧÓÉ´ËÏë³öÁËÒ»ÖÖ¼òµ¥µÄ·½·¨´ÖÂÔËã³öÁËËùÔÚµÄʱ´ú¹ã³¡Óë¡°Äñ³²¡±µÄÖ±Ïß¾àÀ룬ÇëÄã°ïËûд³öËûµÄÉè¼Æ·½°¸£®
Éè¼Æ·½°¸£º
¢Ù´Ó¿´µ½ÑÌ»¨¾Í¿ªÊ¼¼Æʱ£¬Ìýµ½±¬Õ¨Éù¾ÍÍ£Ö¹¼Æʱ£¬Çó³öÕâ¸öʱ¼ä¶Î£»
¢ÚÓÃÉùÒôÔÚ¿ÕÆøÖеĴ«²¥ËٶȳËÒÔ²â³öµÄʱ¼ä¾ÍÊÇʱ´ú¹ã³¡µ½¡°Äñ³²¡±µÄÖ±Ïß¾àÀë
¢Ù´Ó¿´µ½ÑÌ»¨¾Í¿ªÊ¼¼Æʱ£¬Ìýµ½±¬Õ¨Éù¾ÍÍ£Ö¹¼Æʱ£¬Çó³öÕâ¸öʱ¼ä¶Î£»
¢ÚÓÃÉùÒôÔÚ¿ÕÆøÖеĴ«²¥ËٶȳËÒÔ²â³öµÄʱ¼ä¾ÍÊÇʱ´ú¹ã³¡µ½¡°Äñ³²¡±µÄÖ±Ïß¾àÀë
£®

Î¥·¨ºÍ²»Á¼ÐÅÏ¢¾Ù±¨µç»°£º027-86699610 ¾Ù±¨ÓÊÏ䣺58377363@163.com

¾«Ó¢¼Ò½ÌÍø