ÌâÄ¿ÄÚÈÝ
ÔÚ¡°Ì½¾¿ÇóºÏÁ¦µÄ·½·¨¡±ÊµÑéÖУ¬ÏÖÓÐľ°å¡¢°×Ö½¡¢Í¼¶¤¡¢ÏðƤ½î¡¢Ï¸ÉþÌ׺ÍÒ»°Ñµ¯»É³Ó¡£
£¨1£©ÎªÍê³ÉʵÑ飬ijͬѧÁíÕÒÀ´Ò»¸ùµ¯»É£¬ÏȲâÁ¿Æä¾¢¶ÈϵÊý£¬µÃµ½µÄʵÑéÊý¾ÝÈçÏÂ±í£¬Çë¸ù¾ÝÊý¾ÝÃèµã»³öF-¡÷xͼÏߣ»
£¨2£©ÓÃ×÷ͼ·¨ÇóµÃ¸Ãµ¯»ÉµÄ¾¢¶ÈϵÊýk=________N/m£¨½á¹û±£ÁôÁ½Î»ÓÐЧÊý×Ö£©£»
£¨3£©Ä³´ÎʵÑéÖУ¬µ¯»É³ÓµÄÖ¸ÕëλÖÃÈçͼËùʾ£¬Æä¶ÁÊýΪ________N£»Í¬Ê±·¢ÏÖµ¯»ÉÉ쳤Á¿Îª4£®6cm£¬Ôòµ¯»ÉÉϵĵ¯Á¦ÖµÎª N£¬¸ù¾ÝƽÐÐËıßÐζ¨Ôò»Í¼µÃµ½FºÏ=________N¡£
µ¯Á¦F£¨N£© | 0£®5 | 1£®0 | 1£®5 | 2£®0 | 2£®5 | 3£®0 | 3£®5 |
É쳤Á¿x£¨10-2m£© | 0£®74 | 1£®80 | 2£®80 | 3£®72 | 4£®60 | 5£®58 | 6£®42 |
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿