关于Á¦¾Ø介绍

[Æ´Òô]£ºliju

[ÍâÎÄ]£ºmoment of force

Á¦F¶ÔµãOÖ®¾ØµÄ¼ò³Æ£¬ ÓÃMO(F)±íʾ¡£ËüÊÇÁ¦Fʹ¸ÕÌåÈÆOµãת¶¯Ð§Ó¦µÄÁ¿¶È¡£Á¦¾ØMO(FÊÇÒ»¸öʸÁ¿£¬Æä´óСµÈÓÚÁ¦FµÄ´óСÓëOµãµ½FµÄ×÷ÓÃÏߵĴ¹¾àd(³ÆΪÁ¦±Û)µÄ³Ë»ý£¬Æä·½Ïò´¹Ö±ÓÚOºÍF¾ö¶¨µÄƽÃ棬ÆäÖ¸Ïò°´ÓÒÊÖÂÝÐý¶¨Ôò¾ö¶¨£¬¼´´ÓʸÁ¿MO(F)µÄ¶¥¶Ë¸©ÊÓʱÁ¦Fʹ¸ÕÌåÈÆOµãµÄת¶¯ÊÇÄæʱÕëµÄ¡£¼¸ºÎÉÏÁ¦¾ØMO(F)µÄ´óСFdµÈÓÚÈý½ÇÐÎ OABÃæ»ýµÄ2±¶£¨Í¼1£©¡£ÕâÀïA¡¢B·Ö±ðΪÁ¦FµÄÆðµãºÍÖյ㡣

Á¦¾ØMO(F)µÄʸÁ¿±íʾʽΪMo(F)=r¡ÁF£¬Ê½ÖÐrΪOµãµ½Á¦FµÄ×÷ÓõãAµÄʸ¾¶¡£

ÈçÓÐÈÎÒâÁ¦ÏµFi(i=1£¬2£¬¡­£¬n)×÷ÓÃÓÚÎïÌ壬Ôò´ËÁ¦ÏµÖи÷Á¦I>Fi¶ÔͬһµãOÖ®¾ØµÄºÍΪһʸÁ¿M£¬¼´

ʽÖÐriΪOµãµ½Á¦FiµÄ×÷ÓõãµÄʸ¾¶¡£Á¿M³ÆΪ´ËÁ¦Ïµ¶ÔOµãµÄÖ÷¾Ø¡£

Á¦F¶ÔijÖálÖ®¾Ø¶¨ÒåΪ:Á¦FÔÚ´¹Ö±ÓÚlµÄƽÃæÉϵÄͶӰF'¶Ô¸ÃƽÃæºÍÖá1µÄ½»µãO1Ö®¾Ø£¨Í¼2£©£¬¼´

¡£

Á¦¶ÔÖáµÄ¾ØÊÇÓÃÀ´Á¿¶ÈÁ¦Ê¹±»Ëü×÷ÓõĸÕÌåÈÆÕâ¸öÖáת¶¯µÄЧӦµÄÁ¿¡£Á¦F¶ÔÖálÖ®¾ØÒ²¿ÉÓÃÁ¦F¶ÔÖálÉÏÈÎÒâÒ»µãOÖ®¾ØÔÚ´ËÖálÉϵÄͶӰÀ´±íʾ¡£

Á¦¾ØµÄÁ¿¸ÙΪL2MT-2£¬ÆäSIµ¥Î»ÎªÅ£¶ÙÃ×(N¡¤m)¡£

²Î¿¼ÎÄÕÂ

• Öƶ¯Á¦¾ØµÄ´óСÓëʲôÓйØϵ?µçÆø¼¼Êõ
• ÄÄÒ»¸öÁ¦²úÉúʹҶÂÖת¶¯µÄÇý¶¯Á¦¾Ø£¿µçÄܼ¼Êõ
• ʲôÊǺÏÁ¦¾Ø¶¨Àí£¿¡¢½»Í¨ÔËÊä
• ʲôÊÇÁ¦±Û¡¢¾ØÐĺÍÁ¦¾Ø£¿Á¦¾ØµÄ¼ÆË㹫ʽºÍ·½ÏòÊÇÈçºÎ¹æ¶¨µÄ£¿½»Í¨ÔËÊä