Problem 2. Use virtual work method and determine the following unknowns on the truss system shown below. Use A = 500 mm² and E= 200 GPa for all the members. Show complete and organized solution. Round-off your answers to two decimal places. a. Real internal force F in member BF in kN. b. Real internal force F in member GH in KN. c. Virtual internal force F, in member HG due to a one-unit horizontal load applied at joint G. d. Virtual internal force Fy in member CD due to a one-unit horizontal load applied at joint G. e. Horizontal displacement of joint G due to the applied loads in mm. "b" kN "a" kN 4 at "c" m 2°C
Problem 2. Use virtual work method and determine the following unknowns on the truss system shown below. Use A = 500 mm² and E= 200 GPa for all the members. Show complete and organized solution. Round-off your answers to two decimal places. a. Real internal force F in member BF in kN. b. Real internal force F in member GH in KN. c. Virtual internal force F, in member HG due to a one-unit horizontal load applied at joint G. d. Virtual internal force Fy in member CD due to a one-unit horizontal load applied at joint G. e. Horizontal displacement of joint G due to the applied loads in mm. "b" kN "a" kN 4 at "c" m 2°C
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Using virtual work method, find: (a) the real internal force F in member BF in kN (b) real internal force F in member GH in kN (c) virtual internal force Fv in member HG due to a one unit horizontal load applied at joint G (d) virtual internal force Fv in member CD due to a one unit horizontal load applied at joint G (e) horizontal displacement at joint G due to the applied loads in mm.
Given: a=25kN b=22kN c=4km
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