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Engineering Mechanics - Structural Analysis

Exercise : Structural Analysis - General Questions
  • Structural Analysis - General Questions
1.

Determine the force in each member of the truss and indicate whether the members are in tension or compression.

CB = 447 N C, CD = 200 N T, DB = 800 N C, DE = 200 N T,
BE = 447 N T, BA = 894 N C, AE = 800 N T
CB = 447 N T, CD = 200 N C, DB = 800 N T, DE = 200 N C,
BE = 447 N C, BA = 894 N T, AE = 800 N C
CB = 894 N T, CD = 800 N C, DB = 800 N T, DE = 800 N C,
BE = 894 N C, BA = 1789 N T, AE = 800 N C
CB = 894 N C, CD = 800 N T, DB = 800 N C, DE = 800 N T,
BE = 894 N T, BA = 1789 N C, AE = 800 N T
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.

The principles of a differential chain block are indicated schematically in the figure. Determine the magnitude of force P needed to support the 800-N force. Also compute the distance x where the cable must be attached to bar AB so the bar remains horizontal. All pulleys have a radius of 60 mm.

P = 80 N, x = 240 mm
P = 80 N, x = 180 mm
P = 40 N, x = 180 mm
P = 40 N, x = 240 mm
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.

Determine the magnitude of the forces in pins B and D of the four-member frame.

B = 503 lb, D = 225 lb
B = 225 lb, D = 503 lb
B = 56.3 lb, D = 125.8 lb
B = 125.8 lb, D = 112.5 lb
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.

Determine the force in members FF, FB, and BC of the Fink truss and indicate whether the members are in tension or compression.

BF = 693 lb T, FG = 1800 lb C, BC = 1212 lb T
BF = 8660 lb C, FG = 3600 lb C, BC = 1212 lb T
BF = 3810 lb T, FG = 3600 lb C, BC = 1212 lb T
BF = 1732 lb T, FG = 2400 lb C, BC = 1212 lb T
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.

The floor beams AB and BC are stiffened using the two tie rods CD and AD. Determine the force along each rod. Assume the three contacting members at B are smooth and the joints at A, C, and D are pins.

T = 480 lb
T = 520 lb
T = 1248 lb
T = 1152 lb
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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