Unformatted text preview: PROBLEM 3.10 It is known that a force with a moment of 960 N- m about D is required to straighten the fence post CD. If
d: 2 80m determine the tension that must be developed in the cable of winch puller AB to create the
required moment about Point D .i 3 0.875 m \ 0.815%
T o l
Ag}- W .
XE 1:887 L
TAB L...“ 2 gomJ 0.2m
Slope of line EC :__0_.8~7_§_m_ = l
2.80 m+0.2m 24
' ~ 24
Then TABx= 35‘ AB
d T — 7 T
an ABy —E AB
We have MD = TABx 00+ TABy (x)
7
96ON m=2—:TAB(O)+ —5—TAB(2. .80 m)
TAB =1224N ‘ ' or TAB =1224N 4 ...
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