[領域]靜力學 [來源]課本習題 [題目] The hook wrench or pin spanner is used to turn shafts and collars.If a moment of 80 N-m is required to turn the 200mm diameter collar about the center o under the action of the applied force P,determine the contact force R on the smooth surface at A.Engagement of the pin at B may be considered to occur at the periphery of the collar. 圖http://www.wretch.cc/album/album.php?id=ian60702&book=3 算了很久都解不出來，似乎是方程式不夠... 煩請板上高手幫個忙...感激不盡> < -- http://www.wretch.cc/blog/ian60702 --

※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 61.229.65.48 ※ 編輯: ian60702 來自: 61.229.65.48 (04/13 20:45)