ÌâÄ¿ÄÚÈÝ

ijͬѧÓÃÈçÏÂ×óͼËùʾװÖÃ×ö̽¾¿µ¯Á¦ºÍµ¯»ÉÉ쳤¹ØϵµÄʵÑé.ËûÏȲâ³ö²»¹ÒíÀÂëʱµ¯»É϶ËÖ¸ÕëËùÖ¸µÄ±ê³ß¿Ì¶È£¬È»ºóÔÚµ¯»É϶˹ÒÉÏíÀÂ룬²¢Öð¸öÔö¼ÓíÀÂ룬²â³öÖ¸ÕëËùÖ¸µÄ±ê³ß¿Ì¶È£¬ËùµÃÊý¾ÝÁбíÈçÏ£º£¨ÖØÁ¦¼ÓËÙ¶Èg=10m/s2£©

(1£©¸ù¾ÝËù²âÊý¾Ý£¬ÔÚ´ðÌ⿨µÄ×ø±êÖ½ÉÏ×÷³öµ¯»ÉÖ¸ÕëËùÖ¸µÄ±ê³ß¿Ì¶ÈxÓëíÀÂëÖÊÁ¿mµÄ¹ØϵͼÏß.

£¨2£©¸ù¾ÝÄãËùÃèµÄµã¿ÉÖª¼Ç¼¿Ï¶¨ÓÐÎÊÌâµÄÊÇµÚ ×éÊý¾Ý

£¨3£©ºÏÀíʹÓõÄÇé¿öÏ£¬ÕâÖÖ¹æ¸ñµ¯»ÉµÄ¾¢¶ÈϵÊýΪ N/m¡££¨½á¹û±£ÁôÈýλÓÐЧÊý×Ö£©

£¨4£©°ÑÍêÈ«ÏàͬµÄÕâÑùÁ½¸ùµ¯»É´®ÁªÖ®ºóÊúÖ±Ðü¹Ò£¬Èô¹ÒÉÏ340gµÄ¹³Â룬Ôò×ÜÐαäÁ¿Îª m£¬Ã¿¸ùµ¯»ÉµÄµ¯Á¦Îª N¡£

 

(1£©

£¨2£© 4£¨3£© 23.5--26.0 N/m¡££¨½á¹û±£ÁôÈýλÓÐЧÊý×Ö£©£¨4£©0.261 ---0.290£¬ 3.4

¡¾½âÎö¡¿

ÊÔÌâ·ÖÎö£º £¨1£©±ê³ß¿Ì¶ÈxÓëíÀÂëÖÊÁ¿mµÄ¹ØϵͼÏßÈçͼËùʾ

£¨2£©ÎªÔö¼Ó100g£¬µ¯»ÉµÄÐαäÁ¿´óÖ±£³ÖÔÚ4µ½5ÀåÃ×Ö®¼ä£¬¶ø´ÓµÚÈý×éµ½µÚËÄ×飬±ä»¯Ì«´ó£¬¹ÊµÚËÄ×é¼Ç¼ÓÐÎÊÌ⣬

£¨3£©´ÓͼÏó¿ÉÒÔ¿´³öÔÚ0¡«4.9N·¶Î§ÄÚµ¯Á¦´óСÓ뵯»ÉÉ쳤¹ØϵÂú×ãºú¿Ë¶¨ÂÉ£®

¸ù¾Ýºú¿Ë¶¨Âɵãº

£¨4£©Á½Ö»µ¯»É´®ÁªÆðÀ´ºóµÄ¾¢¶ÈϵÊýΪ£¬ËùÒÔ×ÜÐαäÁ¿Îª

ºöÂÔµ¯»ÉµÄÖÊÁ¿£¬Ã¿¸öµ¯»ÉÊܵ½µÄÀ­Á¦¶¼Îª3.4N

¿¼µã£º¿¼²éÁË̽¾¿µ¯Á¦ºÍµ¯»ÉÉ쳤¹ØϵµÄʵÑé

 

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

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

¾«Ó¢¼Ò½ÌÍø