Q1b For the pin-jointed frame in Figure Q1b, (i) State whether the frame is in statistically stable equilibrium, and why? (ii) Determine the largest tensile and compressive force anywhere in the frame for this load (by using the method of joints or the method of section ) (ii) If all members have a cross-sectional area of 4000 mm2 and a Young's modulus of 200 GPa, by how much will these two members change in length due to the applied force? 100 kN 5 m 100 kN 20m (4 x 5m) Figure. Q1b
Q1b For the pin-jointed frame in Figure Q1b, (i) State whether the frame is in statistically stable equilibrium, and why? (ii) Determine the largest tensile and compressive force anywhere in the frame for this load (by using the method of joints or the method of section ) (ii) If all members have a cross-sectional area of 4000 mm2 and a Young's modulus of 200 GPa, by how much will these two members change in length due to the applied force? 100 kN 5 m 100 kN 20m (4 x 5m) Figure. Q1b
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Q1b For the pin-jointed frame in Figure Q1b,
(i) State whether the frame is in statistically stable equilibrium, and why?
(ii) Determine the largest tensile and compressive force anywhere in the frame for this load (by using the
method of joints or the method of section )
(ii) If all members have a cross-sectional area of 4000 mm2 and a Young's modulus of 200 GPa, by how
much will these two members change in length due to the applied force?
100 kN
5 m
100 kN
20m (4 x 5m)
Figure. Q1b
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