ÌâÄ¿ÄÚÈÝ

£¨12·Ö£©Óõ綯»ú´ø¶¯°ë¾¶Îªr=0.5mµÄ´«ÊäÂÖÀ´´«ËÍÒ»¿é³¤·½ÌåÌú°å£¬·ÅÔڹ⻬ˮƽÃæÉϵÄÌú°åÔÚ´«ÊäÂֵĴø¶¯Ï´Ӿ²Ö¹¿ªÊ¼ÏòÓÒÔ˶¯¡£ÒÑÖªÌú°å³¤L=1.6m¡¢ÖÊÁ¿m=100kg£¬´«ÊäÂÖÓëÌú°å¼äµÄ¶¯Ä¦²ÁÒò×Ó¦Ì=0.1¡£¹¤×÷ʱ´«ÊäÂÖ¶ÔÌú°å²úÉúÊúÖ±ÏòÏ¡¢´óСΪ50NµÄºã¶¨Ñ¹Á¦£¬´«ÊäÂÖת¶¯µÄ½ÇËٶȺãΪ¦Ø=1rad/s£¬gÈ¡10m/s2¡£Çó£º

£¨1£©´«ÊäÂÖ¶ÔÌú°åµÄĦ²ÁÁ¦´óС£»
£¨2£©Ìú°åÀ뿪´«ÊäÂÖʱµÄËٶȴóС¡£

£¨1£©5N
£¨2£©0.4m/s

½âÎö

Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿

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

¾«Ó¢¼Ò½ÌÍø