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PROBLEM 4.124
Solve Problem 4.123, assuming that the 1.8-
kN load is applied at C.
PROBLEM 4.123 The rigid L-shaped
member ABC is supported by a ball-and-
socket joint at A and by three cables. If a 1.8-
kN load is applied at F, determine the
tension in each cable.
PROBLEM 4.125
The rigid L-shaped member ABF is supported by
a ball-and-socket joint at A and by three cables.
For the loading shown, determine the tension in
each cable and the reaction at A.
4
FJ
FJ
PROBLEM 4.125 (Continued)
PROBLEM 4.126
Solve Problem 4.125, assuming that the load
at C has been removed.
PROBLEM 4.125 The rigid L-shaped
member ABF is supported by a ball-and-
socket joint at A and by three cables. For the
loading shown, determine the tension in each
cable and the reaction at A.
PROBLEM 4.126 (Continued)
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PROBLEM 4.127
Three rods are welded together to form a “corner” that is
supported by three eyebolts. Neglecting friction, determine the
reactions at A, B, and C when
240P
lb, 12 in., 8 in.,ab and
10 in.c
PROBLEM 4.127 (Continued)
PROBLEM 4.128
Solve Problem 4.127, assuming that the force P is removed and is
replaced by a couple (600 lb in.) Mj acting at B.
PROBLEM 4.127 Three rods are welded together to form a
“corner” that is supported by three eyebolts. Neglecting friction,
determine the reactions at A, B, and C when
240P
lb,
12 in., 8 in.,ab and c10 in.
PROBLEM 4.128 (Continued)
PROBLEM 4.129
Frame ABCD is supported by a ball-and-
socket joint at A and by three cables. For
150 mm,a
determine the tension in
each cable and the reaction at A.
