ÌâÄ¿ÄÚÈÝ

¡¾ÌâÄ¿¡¿Ä³Í¬Ñ§ÔÚÑо¿ÐÔѧϰÖУ¬ÀûÓÃËùѧµÄ֪ʶ½â¾öÁËÈçÏÂÎÊÌ⣺һÇᵯ»ÉÊúÖ±Ðü¹ÒÓÚijһÉî¶ÈΪh£½25£®0 cm£¬ÇÒ¿ª¿ÚÏòϵÄСͲÖУ¨Ã»ÓÐÍâÁ¦×÷ÓÃʱµ¯»ÉµÄϲ¿·ÖλÓÚͲÄÚ£¬µ«²âÁ¦¼Æ¿ÉÒÔͬµ¯»ÉµÄ϶˽Ӵ¥£©£¬Èçͼ¼×Ëùʾ£¬Èç¹û±¾ÊµÑéµÄ³¤¶È²âÁ¿¹¤¾ßÖ»ÄܲâÁ¿³öͲµÄ϶˵¯»ÉµÄ³¤¶Èl£¬ÏÖÒª²â³öµ¯»ÉµÄÔ­³¤l0ºÍµ¯»ÉµÄ¾¢¶ÈϵÊý£¬¸Ãͬѧͨ¹ý¸Ä±äl¶ø²â³ö¶ÔÓ¦µÄµ¯Á¦F£¬×÷³öF£­l±ä»¯µÄͼÏßÈçͼÒÒËùʾ£¬Ôòµ¯»ÉµÄ¾¢¶ÈϵÊýΪ________N/m£¬µ¯»ÉµÄÔ­³¤l0£½________m£®

¡¾´ð°¸¡¿100N/m£»0£®15 m£®

¡¾½âÎö¡¿

ÊÔÌâ·ÖÎö£ºÓɺú¿Ë¶¨ÂɿɵÃF£½kx£½k£¨h£«l£­l0£©£½k£¨h£­l0£©£«kl£®

Òò´ËF£­lͼÏßµÄбÂʼ´Îªµ¯»ÉµÄ¾¢¶ÈϵÊý

k£¨h£­l0£©£½10 N£¬µÃl0£½0£®15 m£®

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

¡¾ÌâÄ¿¡¿Ä³ÊµÑéС×éÀûÓÃͼÖÐËùʾµÄ×°ÖÃ̽¾¿¼ÓËÙ¶ÈÓëÁ¦¡¢ÖÊÁ¿µÄ¹Øϵ£®

¢ÙÏÂÁÐ×ö·¨ÕýÈ·µÄÊÇ________£¨Ìî×Öĸ´úºÅ£©

A£®µ÷½Ú»¬Âֵĸ߶ȣ¬Ê¹Ç£Òýľ¿éµÄϸÉþÓ볤ľ°åƽÐÐ

B£®ÔÚµ÷½Úľ°åÇãб¶Èƽºâľ¿éÊܵ½µÄ»¬¶¯Ä¦²ÁÁ¦Ê±£¬½«×°ÓÐíÀÂëµÄíÀÂëͰͨ¹ý¶¨»¬ÂÖË©ÔÚľ¿éÉÏ

C£®ÊµÑéʱ£¬ÏÈ·Å¿ªÄ¾¿éÔÙ½Óͨ´òµã¼ÆʱÆ÷µÄµçÔ´

D£®Í¨¹ýÔö¼õľ¿éÉϵÄíÀÂë¸Ä±äÖÊÁ¿Ê±£¬²»ÐèÒªÖØе÷½Úľ°åÇãб¶È

¢ÚΪʹíÀÂëÍ°¼°Í°ÄÚíÀÂëµÄ×ÜÖØÁ¦ÔÚÊýÖµÉϽüËƵÈÓÚľ¿éÔ˶¯Ê±Êܵ½µÄÀ­Á¦£¬Ó¦Âú×ãµÄÌõ¼þÊÇíÀÂëÍ°¼°Í°ÄÚíÀÂëµÄ×ÜÖÊÁ¿________ľ¿éºÍľ¿éÉÏíÀÂëµÄ×ÜÖÊÁ¿£®£¨Ñ¡Ìî¡°Ô¶´óÓÚ¡±¡¢¡°Ô¶Ð¡ÓÚ¡±»ò¡°½üËƵÈÓÚ¡±£©

¢Û¼×¡¢ÒÒÁ½Í¬Ñ§ÔÚͬһʵÑéÊÒ£¬¸÷È¡Ò»Ì×ͼ2ËùʾµÄ×°Ö÷ÅÔÚˮƽ×ÀÃæÉÏ£¬Ä¾¿éÉϾù²»·ÅíÀÂ룬ÔÚûÓÐƽºâĦ²ÁÁ¦µÄÇé¿öÏ£¬Ñо¿¼ÓËÙ¶ÈaÓëÀ­Á¦FµÄ¹Øϵ£¬·Ö±ðµÃµ½Í¼Öмס¢ÒÒÁ½ÌõÖ±Ïߣ®Éè¼×¡¢ÒÒÓõÄľ¿éÖÊÁ¿·Ö±ðΪm¼×¡¢mÒÒ£¬¼×¡¢ÒÒÓõÄľ¿éÓëľ°å¼äµÄ¶¯Ä¦²ÁÒòÊý·Ö±ðΪ¦Ì¼×¡¢¦ÌÒÒ£¬ÓÉͼ¿ÉÖª£¬m¼×________mÒÒ£¬¦Ì¼×________¦ÌÒÒ£®£¨Ñ¡Ìî¡°´óÓÚ¡±¡¢¡°Ð¡ÓÚ¡±»ò¡°µÈÓÚ¡±£©

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

¾«Ó¢¼Ò½ÌÍø