Question

賴鉅元

求解這題的向量r該怎麼寫

。               n COn818t1n選0f the bar 0OA, two identical      2/77 Replaee

id asectl0on Of fin tape 1s subjected to the              pulley 3

) 180-N tensgile forces shown in the figure. Deter-            which a
mine fhe eduivalent force-couple system at polimnt

 

色     Problem 2/75 上 1

 

   
  

76 The device shown is a part 0f an automobile seat-
back-release mechanism. The part is subjeeted to
the 4N force exerted 反 A and a 300- N. mm Testor-

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