PROBLEM No. 2 The rigid bar ABCD of negligible weight is initially horizontal, and the steel rods attached at A and Care stress-free. If a 20-kip load is applied, determine the vertical displacement in the bar at A and C that will cause a stress in the rod at C to be 50 ksi. Indicate the direction of movement. Use E = 29x10° psi for steel. (Provide FBD and movement diagram in your computation). A = 0.5 in.² 3 ft | A | 20 kips + 2 ft → 2 ft → 4 ft 4 ft -

Structural Analysis
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Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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PROBLEM No. 2
The rigid bar ABCD of negligible weight is initially horizontal, and the steel rods attached at A and
C are stress-free. If a 20-kip load is applied, determine the vertical displacement in the bar at A and
C that will cause a stress in the rod at C to be 50 ksi. Indicate the direction of movement. Use
E = 29x106 psi for steel. (Provide FBD and movement diagram in your computation).
A = 0.5 in.?
3 ft
| A
B
D
| 20 kips
te 2 ft -→-- 2 ft -→l
4 ft
4 ft
A = 0.75 in.²
Transcribed Image Text:PROBLEM No. 2 The rigid bar ABCD of negligible weight is initially horizontal, and the steel rods attached at A and C are stress-free. If a 20-kip load is applied, determine the vertical displacement in the bar at A and C that will cause a stress in the rod at C to be 50 ksi. Indicate the direction of movement. Use E = 29x106 psi for steel. (Provide FBD and movement diagram in your computation). A = 0.5 in.? 3 ft | A B D | 20 kips te 2 ft -→-- 2 ft -→l 4 ft 4 ft A = 0.75 in.²
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