# Hw 8 - ZOO N &quot; 400 N ~ ~_.'mlllll[;,-:i2&quot; PROBLEM...

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ZOO N 400 N PROBLEM 3.102 A 4-m-long beam is loaded as shown. Detennine the loading of Problem 3.101 which is equivalent to this loading. """ ~ ~_.' mlllll[;;,-:i 2" N", SOLUTION We have I:F,' -200N-4ooN=R or R=600Nj . .. R and I:M" -400 N, m+ 28ooN, m -(400 N)(4m)= M or M=800N·m") Jl"~~ Equivalent to case (f) ofProblem 3.101 . ... Problt::m 3.101 Equivalent force-couples atA Case R M (a) 600N I lOOON·m ") (b) 600N j 900N.m) (e) 600N ( 9OON·m ") (d) 4ooN! 9OON·m ") (e) 600Nj 200N.m) if) 600N j 800N·m ") (g) lOOON! lOOON.m") (h) 600N j 9OON·m ")

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, PROBLEM 3.119 Four forces are applied to the machine eomponent ARDE as shown. Replace these forees by an equivalent force-couple system at A. SOLUTION } -(50H)j O.Z(fI R = -(50 N)j -(300 N)l - (120 N)I-(250 N)k R = -(420 N)i - (50 N)j - (250 N)k r B >=(0.2 m)i r D = (0.2 m)i + (0.16 m)k r, =(0.2 m)l-(O.l m)J+(0.16 m)k M~ = r. x [-(300 N)i - (50 N)j] +r D x(-250 N)k + r x( -120 N)I = j k i 0.2 mOO + 0.2 m j 0 k 0.16 m -300 N -50 N 0 0
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## This note was uploaded on 10/05/2009 for the course CE statics taught by Professor Epstein during the Spring '09 term at UConn.

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Hw 8 - ZOO N &quot; 400 N ~ ~_.'mlllll[;,-:i2&quot; PROBLEM...

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