# 7008

For the truss system shown in Figure 1, determine the internal forces in truss members TAB, TAC , TDF and TDE. You can use either the method of joints or the method of sections or a combination of both. 5 m 5 m 5 m 5 m 5 m 5 m 8 m 8 m 8 m A B D F G I J C E H 12 kN 12 kN 12 kN 12 kN 12 kN Figure 1: Probn. 1 Probn. 2 For the truss system shown in Figure 2, determine the internal forces in truss members TAB, TAH, TBC , TBF and TCF . You can use either the method of joints or the method of sections or a combination of both. 12 kN 12 kN 10 kN Document Preview:

ENGIN1005 ENGINEERING MECHANICSASSESSED TUTORIAL 2Probn. 1F or the truss system shown in Figure 1, determine the internal forces in truss memb ers T , T , T andAB AC DFT . Y ou can use either the metho d of joints or the metho d of sections or a combination of b oth.DE12 kNF12 kN12 kN8 mGD12 kN12 kN8 mEB IC H8 mA J5 m 5 m 5 m 5 m 5 m 5 mFigure 1: Probn. 1Probn. 2F or the truss system shown in Figure 2, determine the internal forces in truss memb ers T , T , T ,AB AH BCT and T . Y ou can use either the metho d of joints or the metho d of sections or a combination of b oth.BF CF10 kNall dimensions in metresC10 kN10 kN1.6B DF G1.6A EH J12 kN12 kN0.9 0.9 0.9 0.9 0.9 0.9 0.9 0.9Figure 2: Probn. 21Probn. 3Draw the shear force and b ending moment diagram for the b eam shown in Figure 3. Lab el all imp ortantv alues.6 m 6 m 6 m600 kN300 kN45 kN/mFigure 3: Probn. 3Probn. 4Draw the shear force and b ending moment diagram for the b eam shown in Figure 4. Lab el all imp ortantv alues.45 kN/m6 m 9 m 3 mFigure 4: Probn. 4Probn. 5F or the comp osite shap e shown in Figure 5, determine the following:1. The co ordinates of the centroid (x; y)2. The second moment of area ab out a horizontal axis passing through the centroid of the comp ositeshap e2Figure 5: Probn. 5Probn. 6F or the comp osite shap e shown in Figure 6, determine the following:1. The co ordinates of the centroid (x; y)2. The second moment of area ab out a horizontal axis passing through the centroid of the comp ositeshap eall dimensions in cm31.5y1.5×2 1 1 1 1Figure 6: Probn. 63

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