A rigid frame is fabricated by joining the three bars with pins at B, C, and D, as shown in figure. The frame is loaded by the 1000-lb force and the 1200-lb ft couple. The supports consist of a pin at A and a roller support at E. a. Draw the FBD of the frame, neglecting the weights of the members. b. How many unknowns are on the FBD? - 3 ft- 1.5 ft B F 1.5 ft 1000 lb 1200 lb ft A -2 ft→2 ft+2 ft+2 ft--

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A rigid frame is fabricated by joining the three bars with pins at B, C, and D, as shown
in figure. The frame is loaded by the 1000-lb force and the 1200-lb · ft couple. The
supports consist of a pin at A and a roller support at E.
a. Draw the FBD of the frame, neglecting the weights of the members.
b. How many unknowns are on the FBD?
3 ft -
1.5 ft
B
F
1.5 ft
1000 lb
1200 lb ft
A
+2 ft-2 ft→-2 ft→f-2 ft→
Transcribed Image Text:A rigid frame is fabricated by joining the three bars with pins at B, C, and D, as shown in figure. The frame is loaded by the 1000-lb force and the 1200-lb · ft couple. The supports consist of a pin at A and a roller support at E. a. Draw the FBD of the frame, neglecting the weights of the members. b. How many unknowns are on the FBD? 3 ft - 1.5 ft B F 1.5 ft 1000 lb 1200 lb ft A +2 ft-2 ft→-2 ft→f-2 ft→
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