ÌâÄ¿ÄÚÈÝ
ijͬѧºÍÄãÒ»Æð̽¾¿µ¯Á¦ºÍµ¯»ÉÉ쳤µÄ¹Øϵ£¬²¢²âÁ¿µ¯»ÉµÄ¾¢¶ÈϵÊýk£®×ö·¨ÊÇÏȽ«´ý²âµ¯»ÉµÄÒ»¶Ë¹Ì¶¨ÔÚÌú¼Ų̈ÉÏ£¬È»ºó½«ºÁÃ׿̶ȳßÊúÖ±·ÅÔÚµ¯»ÉÒ»²à£¬²¢Ê¹µ¯»ÉÁíÒ»¶ËµÄÖ¸ÕëÇ¡ºÃÂäÔڿ̶ȳßÉÏ£®µ±µ¯»É×ÔȻϴ¹Ê±£¬Ö¸ÕëָʾµÄ¿Ì¶ÈÊýֵΪ9.00cm£®µ¯»É϶˹Ò200gµÄ¹³Âëʱ£¬Ö¸ÕëָʾµÄ¿Ì¶ÈÊýÖµÈçͼËùʾ£¬ÆäֵΪ cm£®ÈôÈ¡g=10m/s2£¬¿ÉÇóµÃ¸Ãµ¯»ÉµÄ¾¢¶ÈϵÊýΪ N/m£®
¡¾´ð°¸¡¿·ÖÎö£ºÓúÁÃ׿̶ȳ߲âÁ¿³¤¶ÈÊÇÒª¹À¶Áµ½·Ö¶ÈÖµµÄÏÂһ룬¼´ÒªÓйÀ¶ÁµÄ£®¸ù¾Ý¿Ì¶È³ßÊýÖµµÃ³öµ¯»ÉµÄÐαäÁ¿£¬¸ù¾Ýºú¿Ë¶¨ÂÉF=k¡÷xÇó½âµ¯»ÉµÄ¾¢¶ÈϵÊý£®
½â´ð£º½â£ºµ±µ¯»É×ÔȻϴ¹Ê±£¬Ö¸ÕëָʾµÄ¿Ì¶ÈÊýֵΪ9.00cm£®
µ¯»É϶˹Ò200gµÄíÀÂëʱ£¬Ö¸ÕëָʾµÄ¿Ì¶ÈÊýÖµÈçͼËùʾ£¬ÆäֵΪ13.00cm£¬
ËùÒÔµ¯»ÉµÄÐαäÁ¿ÊÇ4.00cm
¸ù¾Ýºú¿Ë¶¨ÂÉF=k¡÷xµÃN/m
¹Ê´ð°¸Îª£º13.00£» 50.0
µãÆÀ£ºµ¯»É²âÁ¦¼ÆµÄÔÀíÊÇÔÚµ¯»ÉµÄµ¯ÐÔÏÞ¶ÈÄÚ£¬µ¯»ÉµÄÉ쳤ÓëÊܵ½µÄÀÁ¦³ÉÕý±È£®¶ÔÓÚʵÑéÎÊÌ⣬ÎÒÃÇÒª³ä·ÖÀûÓòâÁ¿Êý¾ÝÇó½â¿ÉÒÔ¼õÉÙÎó²î£®
½â´ð£º½â£ºµ±µ¯»É×ÔȻϴ¹Ê±£¬Ö¸ÕëָʾµÄ¿Ì¶ÈÊýֵΪ9.00cm£®
µ¯»É϶˹Ò200gµÄíÀÂëʱ£¬Ö¸ÕëָʾµÄ¿Ì¶ÈÊýÖµÈçͼËùʾ£¬ÆäֵΪ13.00cm£¬
ËùÒÔµ¯»ÉµÄÐαäÁ¿ÊÇ4.00cm
¸ù¾Ýºú¿Ë¶¨ÂÉF=k¡÷xµÃN/m
¹Ê´ð°¸Îª£º13.00£» 50.0
µãÆÀ£ºµ¯»É²âÁ¦¼ÆµÄÔÀíÊÇÔÚµ¯»ÉµÄµ¯ÐÔÏÞ¶ÈÄÚ£¬µ¯»ÉµÄÉ쳤ÓëÊܵ½µÄÀÁ¦³ÉÕý±È£®¶ÔÓÚʵÑéÎÊÌ⣬ÎÒÃÇÒª³ä·ÖÀûÓòâÁ¿Êý¾ÝÇó½â¿ÉÒÔ¼õÉÙÎó²î£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿