0.5kN 0.4kN 0.6kN 45° y B 1.2m 0.3kN 0.3m 0.9m 0.8m X

For the pipe frame pictured below: Replace all forces and the couple by the equivalent resultant force R acting on point O and a couple Mo (written as vectors) Describe this system as the wrench, resultant force R and wrench moment M (written as vectors) Specify the coordinates of the point, P in the x-y plane, through which the line of action of the wrench passes (x,y) (Hint: Watch your units for each term and directions as you calculate moments) 55 lb 25° 11" 40 lb 60 lb-f 80 lb 17" 14" X y

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.******** -5 in. A 30-Ib vertical force P is applied at A to the bracket shown., which is held by screws B and C. (a) Replace 2 in. P with an equivalent force-couple system at B. (b) B Find the two horizontal forces at B and C that are 3 in equivalent to the couple obtained in part a. ********* ******** *