Question Question 1 (10 Marks) a) Given a force, P = 50 kN acting on point C as shown in Figure 1, determine the average normal stress of 25-mm diameter BC and AC bars. State whether bars BC and AC experiencing either compression or tension. (8m) 3 m B 4 m Figure 1 b) Figure 2 shows a single 20 mm diameter rivet used to join two plates and the load P is 30 Kn. Calculate the average shear stress developed in the rivet. (2m) P P

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Transcribed Image Text: Question 1 (10 Marks) a) Given a force, P = 50 kN acting on point C as shown in Figure 1, determine the average normal stress of 25-mm diameter BC and AC bars. State whether bars BC and AC experiencing either compression or tension. (8m) 3 m B 4 m Figure 1 b) Figure 2 shows a single 20 mm diameter rivet used to join two plates and the load P is 30 Kn. Calculate the average shear stress developed in the rivet. (2m) P P
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Transcribed Image Text: Question 1 (10 Marks) a) Given a force, P = 50 kN acting on point C as shown in Figure 1, determine the average normal stress of 25-mm diameter BC and AC bars. State whether bars BC and AC experiencing either compression or tension. (8m) 3 m B 4 m Figure 1 b) Figure 2 shows a single 20 mm diameter rivet used to join two plates and the load P is 30 Kn. Calculate the average shear stress developed in the rivet. (2m) P P